31980652853 has 16 divisors (see below), whose sum is σ = 34129228800. Its totient is φ = 29912976000.

The previous prime is 31980652849. The next prime is 31980652877. The reversal of 31980652853 is 35825608913.

It is a cyclic number.

It is not a de Polignac number, because 31980652853 - 2² = 31980652849 is a prime.

It is a super-3 number, since 3×31980652853³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31980652813) 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, 80873 + ... + 265521.

It is an arithmetic number, because the mean of its divisors is an integer number (2133076800).

Almost surely, 2^31980652853 is an apocalyptic number.

It is an amenable number.

31980652853 is a deficient number, since it is larger than the sum of its proper divisors (2148575947).

31980652853 is a wasteful number, since it uses less digits than its factorization.

31980652853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184868.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 31980652853 in words is "thirty-one billion, nine hundred eighty million, six hundred fifty-two thousand, eight hundred fifty-three".