31055523399 has 12 divisors (see below), whose sum is σ = 45812403936. Its totient is φ = 20263178112.

The previous prime is 31055523397. The next prime is 31055523403. The reversal of 31055523399 is 99332555013.

31055523399 is a `hidden beast` number, since 3 + 1 + 0 + 5 + 552 + 3 + 3 + 99 = 666.

It is not a de Polignac number, because 31055523399 - 2¹ = 31055523397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31055523397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36708234 + ... + 36709079.

It is an arithmetic number, because the mean of its divisors is an integer number (3817700328).

Almost surely, 2^31055523399 is an apocalyptic number.

31055523399 is a deficient number, since it is larger than the sum of its proper divisors (14756880537).

31055523399 is a wasteful number, since it uses less digits than its factorization.

31055523399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73417366 (or 73417363 counting only the distinct ones).

The product of its (nonzero) digits is 546750, while the sum is 45.

The spelling of 31055523399 in words is "thirty-one billion, fifty-five million, five hundred twenty-three thousand, three hundred ninety-nine".