311344314452536 has 16 divisors (see below), whose sum is σ = 583830091385640. Its totient is φ = 155656290083040.

The previous prime is 311344314452497. The next prime is 311344314452557. The reversal of 311344314452536 is 635254413443113.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 311344314452536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983309511 + ... + 1983466486.

Almost surely, 2^{311344314452536} is an apocalyptic number.

It is an amenable number.

311344314452536 is a deficient number, since it is larger than the sum of its proper divisors (272485776933104).

311344314452536 is a wasteful number, since it uses less digits than its factorization.

311344314452536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966785814 (or 3966785810 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 49.

Adding to 311344314452536 its reverse (635254413443113), we get a palindrome (946598727895649).

The spelling of 311344314452536 in words is "three hundred eleven trillion, three hundred forty-four billion, three hundred fourteen million, four hundred fifty-two thousand, five hundred thirty-six".