31096020 has 48 divisors (see below), whose sum is σ = 87429888. Its totient is φ = 8257920.

The previous prime is 31095997. The next prime is 31096057. The reversal of 31096020 is 2069013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15685 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (1821456).

Almost surely, 2^31096020 is an apocalyptic number.

31096020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31096020 is an abundant number, since it is smaller than the sum of its proper divisors (56333868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31096020 is a wasteful number, since it uses less digits than its factorization.

31096020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 31096020 is about 5576.3805465553. The cubic root of 31096020 is about 314.4620700506.

The spelling of 31096020 in words is "thirty-one million, ninety-six thousand, twenty".