31889053 has 16 divisors (see below), whose sum is σ = 37440000. Its totient is φ = 27149136.

The previous prime is 31888999. The next prime is 31889057. The reversal of 31889053 is 35098813.

It is not a de Polignac number, because 31889053 - 2⁹ = 31888541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31889057) 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, 81783 + ... + 82171.

It is an arithmetic number, because the mean of its divisors is an integer number (2340000).

Almost surely, 2^31889053 is an apocalyptic number.

It is an amenable number.

31889053 is a deficient number, since it is larger than the sum of its proper divisors (5550947).

31889053 is an equidigital number, since it uses as much as digits as its factorization.

31889053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 31889053 is about 5647.0393127727. The cubic root of 31889053 is about 317.1128743187.

The spelling of 31889053 in words is "thirty-one million, eight hundred eighty-nine thousand, fifty-three".