31503655053 has 48 divisors (see below), whose sum is σ = 51345135296. Its totient is φ = 19186813440.

The previous prime is 31503655037. The next prime is 31503655103. The reversal of 31503655053 is 35055630513.

31503655053 is a `hidden beast` number, since 3 + 1 + 50 + 3 + 6 + 550 + 53 = 666.

It is not a de Polignac number, because 31503655053 - 2⁴ = 31503655037 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31503654999 and 31503655017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31503656053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255018 + ... + 357828.

Almost surely, 2^31503655053 is an apocalyptic number.

It is an amenable number.

31503655053 is a deficient number, since it is larger than the sum of its proper divisors (19841480243).

31503655053 is a wasteful number, since it uses less digits than its factorization.

31503655053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102936 (or 102924 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 36.

The spelling of 31503655053 in words is "thirty-one billion, five hundred three million, six hundred fifty-five thousand, fifty-three".