311380790375 has 32 divisors (see below), whose sum is σ = 401281221120. Its totient is φ = 240983424000.

The previous prime is 311380790327. The next prime is 311380790393. The reversal of 311380790375 is 573097083113.

It is not a de Polignac number, because 311380790375 - 2¹⁸ = 311380528231 is a prime.

It is a super-2 number, since 2×311380790375² (a number of 24 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 31 ways as a sum of consecutive naturals, for example, 12267197 + ... + 12292553.

It is an arithmetic number, because the mean of its divisors is an integer number (12540038160).

Almost surely, 2^311380790375 is an apocalyptic number.

311380790375 is a deficient number, since it is larger than the sum of its proper divisors (89900430745).

311380790375 is a wasteful number, since it uses less digits than its factorization.

311380790375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28572 (or 28562 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 311380790375 in words is "three hundred eleven billion, three hundred eighty million, seven hundred ninety thousand, three hundred seventy-five".