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311042131325 = 5213989508527
BaseRepresentation
bin1001000011010111000…
…11100100010101111101
31002201212001122102021222
410201223203210111331
520044003241200300
6354520224203125
731320625331132
oct4415343442575
91081761572258
10311042131325
1110aa041a0a72
12503474694a5
132343c6b7c23
14110a985c589
158156cc1785
hex486b8e457d

311042131325 has 12 divisors (see below), whose sum is σ = 388467011520. Its totient is φ = 247043531760.

The previous prime is 311042131297. The next prime is 311042131343. The reversal of 311042131325 is 523131240113.

It is not a de Polignac number, because 311042131325 - 218 = 311041869181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311042131294 and 311042131303.

It is a congruent number.

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, 44750789 + ... + 44757738.

It is an arithmetic number, because the mean of its divisors is an integer number (32372250960).

Almost surely, 2311042131325 is an apocalyptic number.

It is an amenable number.

311042131325 is a deficient number, since it is larger than the sum of its proper divisors (77424880195).

311042131325 is a wasteful number, since it uses less digits than its factorization.

311042131325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89508676 (or 89508671 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 311042131325 its reverse (523131240113), we get a palindrome (834173371438).

The spelling of 311042131325 in words is "three hundred eleven billion, forty-two million, one hundred thirty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 139 695 3475 89508527 447542635 2237713175 12441685253 62208426265 311042131325