31426994 has 8 divisors (see below), whose sum is σ = 48661248. Its totient is φ = 15206580.

The previous prime is 31426987. The next prime is 31427003. The reversal of 31426994 is 49962413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253382 + ... + 253505.

It is an arithmetic number, because the mean of its divisors is an integer number (6082656).

Almost surely, 2^31426994 is an apocalyptic number.

31426994 is a deficient number, since it is larger than the sum of its proper divisors (17234254).

31426994 is a wasteful number, since it uses less digits than its factorization.

31426994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506920.

The product of its digits is 46656, while the sum is 38.

The square root of 31426994 is about 5605.9784159413. The cubic root of 31426994 is about 315.5738058850.

The spelling of 31426994 in words is "thirty-one million, four hundred twenty-six thousand, nine hundred ninety-four".