311214092161 has 32 divisors (see below), whose sum is σ = 365450012928. Its totient is φ = 259475650560.

The previous prime is 311214092149. The next prime is 311214092173. The reversal of 311214092161 is 161290412113.

It is an interprime number because it is at equal distance from previous prime (311214092149) and next prime (311214092173).

It is not a de Polignac number, because 311214092161 - 2⁵ = 311214092129 is a prime.

It is a super-2 number, since 2×311214092161² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311214092261) 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 31 ways as a sum of consecutive naturals, for example, 145358151 + ... + 145360291.

It is an arithmetic number, because the mean of its divisors is an integer number (11420312904).

Almost surely, 2^311214092161 is an apocalyptic number.

It is an amenable number.

311214092161 is a deficient number, since it is larger than the sum of its proper divisors (54235920767).

311214092161 is a wasteful number, since it uses less digits than its factorization.

311214092161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 311214092161 in words is "three hundred eleven billion, two hundred fourteen million, ninety-two thousand, one hundred sixty-one".