31230399994 has 16 divisors (see below), whose sum is σ = 48891071232. Its totient is φ = 14933618128.

The previous prime is 31230399983. The next prime is 31230400009. The reversal of 31230399994 is 49999303213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214032 + ... + 329044.

It is an arithmetic number, because the mean of its divisors is an integer number (3055691952).

Almost surely, 2^31230399994 is an apocalyptic number.

31230399994 is a deficient number, since it is larger than the sum of its proper divisors (17660671238).

31230399994 is a wasteful number, since it uses less digits than its factorization.

31230399994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120941.

The product of its (nonzero) digits is 1417176, while the sum is 52.

The spelling of 31230399994 in words is "thirty-one billion, two hundred thirty million, three hundred ninety-nine thousand, nine hundred ninety-four".