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2031231113310 = 235726122652293
BaseRepresentation
bin11101100011101110110…
…011110001100001011110
321012011221222200210022110
4131203232303301201132
5231234430131111220
64153045032054450
7266515541405400
oct35435663614136
97164858623273
102031231113310
11713493011533
122897bb234426
1311970c9c5589
1470452606b70
1537c84c3abe0
hex1d8eecf185e

2031231113310 has 96 divisors (see below), whose sum is σ = 5763830903712. Its totient is φ = 456670206720.

The previous prime is 2031231113279. The next prime is 2031231113377. The reversal of 2031231113310 is 133111321302.

It is a happy number.

It is a super-2 number, since 2×20312311133102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11236477 + ... + 11415816.

It is an arithmetic number, because the mean of its divisors is an integer number (60039905247).

Almost surely, 22031231113310 is an apocalyptic number.

2031231113310 is an abundant number, since it is smaller than the sum of its proper divisors (3732599790402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031231113310 is a wasteful number, since it uses less digits than its factorization.

2031231113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22652378 (or 22652371 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2031231113310 its reverse (133111321302), we get a palindrome (2164342434612).

The spelling of 2031231113310 in words is "two trillion, thirty-one billion, two hundred thirty-one million, one hundred thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 61 70 98 105 122 147 183 210 245 294 305 366 427 490 610 735 854 915 1281 1470 1830 2135 2562 2989 4270 5978 6405 8967 12810 14945 17934 29890 44835 89670 22652293 45304586 67956879 113261465 135913758 158566051 226522930 317132102 339784395 475698153 679568790 792830255 951396306 1109962357 1381789873 1585660510 2219924714 2378490765 2763579746 3329887071 4145369619 4756981530 5549811785 6659774142 6908949365 8290739238 9672529111 11099623570 13817898730 16649435355 19345058222 20726848095 29017587333 33298870710 41453696190 48362645555 58035174666 67707703777 96725291110 135415407554 145087936665 203123111331 290175873330 338538518885 406246222662 677077037770 1015615556655 2031231113310