31274468 has 6 divisors (see below), whose sum is σ = 54730326. Its totient is φ = 15637232.

The previous prime is 31274423. The next prime is 31274473. The reversal of 31274468 is 86447213.

It can be written as a sum of positive squares in only one way, i.e., 16467364 + 14807104 = 4058^2 + 3848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3909305 + ... + 3909312.

It is an arithmetic number, because the mean of its divisors is an integer number (9121721).

Almost surely, 2^31274468 is an apocalyptic number.

It is an amenable number.

31274468 is a deficient number, since it is larger than the sum of its proper divisors (23455858).

31274468 is a wasteful number, since it uses less digits than its factorization.

31274468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818621 (or 7818619 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 31274468 is about 5592.3579999853. The cubic root of 31274468 is about 315.0624483563.

The spelling of 31274468 in words is "thirty-one million, two hundred seventy-four thousand, four hundred sixty-eight".