31474994 has 8 divisors (see below), whose sum is σ = 49265280. Its totient is φ = 15053236.

The previous prime is 31474981. The next prime is 31474997. The reversal of 31474994 is 49947413.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31474997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342074 + ... + 342165.

It is an arithmetic number, because the mean of its divisors is an integer number (6158160).

Almost surely, 2^31474994 is an apocalyptic number.

31474994 is a deficient number, since it is larger than the sum of its proper divisors (17790286).

31474994 is a wasteful number, since it uses less digits than its factorization.

31474994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684264.

The product of its digits is 108864, while the sum is 41.

The square root of 31474994 is about 5610.2579263346. The cubic root of 31474994 is about 315.7343879773.

The spelling of 31474994 in words is "thirty-one million, four hundred seventy-four thousand, nine hundred ninety-four".