311434304655560 has 64 divisors (see below), whose sum is σ = 728646100124400. Its totient is φ = 119654873726976.

The previous prime is 311434304655547. The next prime is 311434304655569. The reversal of 311434304655560 is 65556403434113.

It can be written as a sum of positive squares in 8 ways, for example, as 20076511185124 + 291357793470436 = 4480682^2 + 17069206^2 .

It is a super-2 number, since 2×311434304655560² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311434304655499 and 311434304655508.

It is not an unprimeable number, because it can be changed into a prime (311434304655569) 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, 695314589 + ... + 695762348.

Almost surely, 2^{311434304655560} is an apocalyptic number.

It is an amenable number.

311434304655560 is an abundant number, since it is smaller than the sum of its proper divisors (417211795468840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311434304655560 is a wasteful number, since it uses less digits than its factorization.

311434304655560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391077170 (or 1391077166 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 311434304655560 in words is "three hundred eleven trillion, four hundred thirty-four billion, three hundred four million, six hundred fifty-five thousand, five hundred sixty".