311125654751 has 6 divisors (see below), whose sum is σ = 330503723520. Its totient is φ = 292824145376.

The previous prime is 311125654681. The next prime is 311125654793. The reversal of 311125654751 is 157456521113.

It is a happy number.

It is not a de Polignac number, because 311125654751 - 2³⁸ = 36247747807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311125654699 and 311125654708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311125854751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538279391 + ... + 538279968.

It is an arithmetic number, because the mean of its divisors is an integer number (55083953920).

Almost surely, 2^311125654751 is an apocalyptic number.

311125654751 is a deficient number, since it is larger than the sum of its proper divisors (19378068769).

311125654751 is a wasteful number, since it uses less digits than its factorization.

311125654751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076559393 (or 1076559376 counting only the distinct ones).

The product of its digits is 126000, while the sum is 41.

The spelling of 311125654751 in words is "three hundred eleven billion, one hundred twenty-five million, six hundred fifty-four thousand, seven hundred fifty-one".