31983268 has 6 divisors (see below), whose sum is σ = 55970726. Its totient is φ = 15991632.

The previous prime is 31983253. The next prime is 31983283. The reversal of 31983268 is 86238913.

It is an interprime number because it is at equal distance from previous prime (31983253) and next prime (31983283).

It can be written as a sum of positive squares in only one way, i.e., 16990884 + 14992384 = 4122^2 + 3872^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31983268.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3997905 + ... + 3997912.

Almost surely, 2^31983268 is an apocalyptic number.

It is an amenable number.

31983268 is a deficient number, since it is larger than the sum of its proper divisors (23987458).

31983268 is a wasteful number, since it uses less digits than its factorization.

31983268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995821 (or 7995819 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 31983268 is about 5655.3751422872. The cubic root of 31983268 is about 317.4248665916.

The spelling of 31983268 in words is "thirty-one million, nine hundred eighty-three thousand, two hundred sixty-eight".