31475464 has 8 divisors (see below), whose sum is σ = 59016510. Its totient is φ = 15737728.

The previous prime is 31475459. The next prime is 31475471. The reversal of 31475464 is 46457413.

It can be written as a sum of positive squares in only one way, i.e., 31472100 + 3364 = 5610^2 + 58^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967209 + ... + 1967224.

Almost surely, 2^31475464 is an apocalyptic number.

It is an amenable number.

31475464 is a deficient number, since it is larger than the sum of its proper divisors (27541046).

31475464 is a wasteful number, since it uses less digits than its factorization.

31475464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934439 (or 3934435 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 31475464 is about 5610.2998137354. The cubic root of 31475464 is about 315.7359595362.

The spelling of 31475464 in words is "thirty-one million, four hundred seventy-five thousand, four hundred sixty-four".