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31310134055325 = 3252139156151357
BaseRepresentation
bin1110001111001111101010…
…11010110001000110011101
311002212012221002001120011200
413013213311122301012131
513100441123304232300
6150331402122510113
76411040211203446
oct707476532610635
9132765832046150
1031310134055325
119a8160a469a84
123618144665339
1314616c0c2c418
147a35c07d22cd
153946ad73c200
hex1c79f56b119d

31310134055325 has 18 divisors (see below), whose sum is σ = 56079928997274. Its totient is φ = 16698738162720.

The previous prime is 31310134055303. The next prime is 31310134055327. The reversal of 31310134055325 is 52355043101313.

31310134055325 is a `hidden beast` number, since 3 + 1 + 31 + 0 + 13 + 40 + 553 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 119908453284 + 31190225602041 = 346278^2 + 5584821^2 .

It is not a de Polignac number, because 31310134055325 - 25 = 31310134055293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31310134055325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31310134055327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69578075454 + ... + 69578075903.

Almost surely, 231310134055325 is an apocalyptic number.

It is an amenable number.

31310134055325 is a deficient number, since it is larger than the sum of its proper divisors (24769794941949).

31310134055325 is a wasteful number, since it uses less digits than its factorization.

31310134055325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139156151373 (or 139156151365 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 31310134055325 its reverse (52355043101313), we get a palindrome (83665177156638).

The spelling of 31310134055325 in words is "thirty-one trillion, three hundred ten billion, one hundred thirty-four million, fifty-five thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 139156151357 417468454071 695780756785 1252405362213 2087342270355 3478903783925 6262026811065 10436711351775 31310134055325