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31144031103010 = 257263559247149
BaseRepresentation
bin1110001010011010010001…
…11010010010100000100010
311002021100012002001022110211
413011031020322102200202
513040230433430244020
6150123212000044334
76363040060332400
oct705151072224042
9132240162038424
1031144031103010
119a181226a8481
1235abb090036aa
13144bb3c48b517
14799544550470
153901db0cc85a
hex1c5348e92822

31144031103010 has 24 divisors (see below), whose sum is σ = 65211787575900. Its totient is φ = 10677953520864.

The previous prime is 31144031102993. The next prime is 31144031103023. The reversal of 31144031103010 is 1030113044113.

It can be written as a sum of positive squares in 2 ways, for example, as 28887152854329 + 2256878248681 = 5374677^2 + 1502291^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31779623085 + ... + 31779624064.

Almost surely, 231144031103010 is an apocalyptic number.

31144031103010 is an abundant number, since it is smaller than the sum of its proper divisors (34067756472890).

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

31144031103010 is a wasteful number, since it uses less digits than its factorization.

31144031103010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63559247170 (or 63559247163 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31144031103010 its reverse (1030113044113), we get a palindrome (32174144147123).

The spelling of 31144031103010 in words is "thirty-one trillion, one hundred forty-four billion, thirty-one million, one hundred three thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 63559247149 127118494298 317796235745 444914730043 635592471490 889829460086 2224573650215 3114403110301 4449147300430 6228806220602 15572015551505 31144031103010