311026640204164 has 48 divisors (see below), whose sum is σ = 584452422933120. Its totient is φ = 144298744056320.

The previous prime is 311026640204131. The next prime is 311026640204167. The reversal of 311026640204164 is 461402046620113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (311026640204167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133191222 + ... + 135506290.

It is an arithmetic number, because the mean of its divisors is an integer number (12176092144440).

Almost surely, 2^{311026640204164} is an apocalyptic number.

311026640204164 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

311026640204164 is a deficient number, since it is larger than the sum of its proper divisors (273425782728956).

311026640204164 is a wasteful number, since it uses less digits than its factorization.

311026640204164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342988 (or 2342986 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

Adding to 311026640204164 its reverse (461402046620113), we get a palindrome (772428686824277).

The spelling of 311026640204164 in words is "three hundred eleven trillion, twenty-six billion, six hundred forty million, two hundred four thousand, one hundred sixty-four".