31203415053 has 32 divisors (see below), whose sum is σ = 46532332800. Its totient is φ = 20665205568.

The previous prime is 31203415043. The next prime is 31203415109. The reversal of 31203415053 is 35051430213.

31203415053 is a `hidden beast` number, since 3 + 120 + 34 + 1 + 505 + 3 = 666.

It is not a de Polignac number, because 31203415053 - 2⁸ = 31203414797 is a prime.

It is a super-2 number, since 2×31203415053² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203415013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8765688 + ... + 8769246.

It is an arithmetic number, because the mean of its divisors is an integer number (1454135400).

Almost surely, 2^31203415053 is an apocalyptic number.

It is an amenable number.

31203415053 is a deficient number, since it is larger than the sum of its proper divisors (15328917747).

31203415053 is a wasteful number, since it uses less digits than its factorization.

31203415053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618 (or 5612 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 31203415053 its reverse (35051430213), we get a palindrome (66254845266).

The spelling of 31203415053 in words is "thirty-one billion, two hundred three million, four hundred fifteen thousand, fifty-three".