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31423201310 = 253877810503
BaseRepresentation
bin11101010000111110…
…000000000000011110
310000002221022000112202
4131100332000000132
51003323314420220
622234032131502
72161460542544
oct352076000036
9100087260482
1031423201310
111236563a266
12610b696b92
132c6a1a8157
141741479d94
15c3da53275
hex750f8001e

31423201310 has 16 divisors (see below), whose sum is σ = 56576421216. Its totient is φ = 12566023008.

The previous prime is 31423201309. The next prime is 31423201351. The reversal of 31423201310 is 1310232413.

It is a super-2 number, since 2×314232013102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366482 + ... + 444021.

It is an arithmetic number, because the mean of its divisors is an integer number (3536026326).

Almost surely, 231423201310 is an apocalyptic number.

31423201310 is a deficient number, since it is larger than the sum of its proper divisors (25153219906).

31423201310 is a wasteful number, since it uses less digits than its factorization.

31423201310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814387.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31423201310 its reverse (1310232413), we get a palindrome (32733433723).

The spelling of 31423201310 in words is "thirty-one billion, four hundred twenty-three million, two hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 3877 7754 19385 38770 810503 1621006 4052515 8105030 3142320131 6284640262 15711600655 31423201310