311399133051 has 8 divisors (see below), whose sum is σ = 415650641920. Its totient is φ = 207373523112.

The previous prime is 311399133049. The next prime is 311399133053. The reversal of 311399133051 is 150331993113.

311399133051 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (311399133049) and next prime (311399133053).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311399133051 - 2¹ = 311399133049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311399133053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56471515 + ... + 56477028.

It is an arithmetic number, because the mean of its divisors is an integer number (51956330240).

Almost surely, 2^311399133051 is an apocalyptic number.

311399133051 is a deficient number, since it is larger than the sum of its proper divisors (104251508869).

311399133051 is a wasteful number, since it uses less digits than its factorization.

311399133051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112949465.

The product of its (nonzero) digits is 32805, while the sum is 39.

The spelling of 311399133051 in words is "three hundred eleven billion, three hundred ninety-nine million, one hundred thirty-three thousand, fifty-one".