2031656804 has 24 divisors (see below), whose sum is σ = 3592585920. Its totient is φ = 1005251616.

The previous prime is 2031656771. The next prime is 2031656807. The reversal of 2031656804 is 4086561302.

It is not an unprimeable number, because it can be changed into a prime (2031656807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170489 + ... + 182015.

It is an arithmetic number, because the mean of its divisors is an integer number (149691080).

Almost surely, 2^2031656804 is an apocalyptic number.

It is an amenable number.

2031656804 is a deficient number, since it is larger than the sum of its proper divisors (1560929116).

2031656804 is a wasteful number, since it uses less digits than its factorization.

2031656804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11987 (or 11985 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2031656804 is about 45073.9038025330. The cubic root of 2031656804 is about 1266.5337942186.

The spelling of 2031656804 in words is "two billion, thirty-one million, six hundred fifty-six thousand, eight hundred four".