311640226114131 has 6 divisors (see below), whose sum is σ = 450146993275980. Its totient is φ = 207760150742748.

The previous prime is 311640226114123. The next prime is 311640226114169. The reversal of 311640226114131 is 131411622046113.

311640226114131 is a `hidden beast` number, since 3 + 1 + 1 + 6 + 4 + 0 + 2 + 2 + 611 + 4 + 1 + 31 = 666.

It is not a de Polignac number, because 311640226114131 - 2³ = 311640226114123 is a prime.

It is a super-2 number, since 2×311640226114131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311640226114831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17313345895221 + ... + 17313345895238.

It is an arithmetic number, because the mean of its divisors is an integer number (75024498879330).

Almost surely, 2^{311640226114131} is an apocalyptic number.

311640226114131 is a deficient number, since it is larger than the sum of its proper divisors (138506767161849).

311640226114131 is a wasteful number, since it uses less digits than its factorization.

311640226114131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34626691790465 (or 34626691790462 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 311640226114131 in words is "three hundred eleven trillion, six hundred forty billion, two hundred twenty-six million, one hundred fourteen thousand, one hundred thirty-one".