31314110660550 has 144 divisors (see below), whose sum is σ = 87243258916320. Its totient is φ = 8045860792320.

The previous prime is 31314110660549. The next prime is 31314110660557. The reversal of 31314110660550 is 5506601141313.

31314110660550 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 41 + 1 + 0 + 6 + 60 + 550 = 666.

It is a super-2 number, since 2×31314110660550² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314110660557) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7414795 + ... + 10844694.

Almost surely, 2^{31314110660550} is an apocalyptic number.

31314110660550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31314110660550 is an abundant number, since it is smaller than the sum of its proper divisors (55929148255770).

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

31314110660550 is a wasteful number, since it uses less digits than its factorization.

31314110660550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18259647 (or 18259639 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 31314110660550 in words is "thirty-one trillion, three hundred fourteen billion, one hundred ten million, six hundred sixty thousand, five hundred fifty".