31426748 has 6 divisors (see below), whose sum is σ = 54996816. Its totient is φ = 15713372.

The previous prime is 31426729. The next prime is 31426751. The reversal of 31426748 is 84762413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3928340 + ... + 3928347.

It is an arithmetic number, because the mean of its divisors is an integer number (9166136).

Almost surely, 2^31426748 is an apocalyptic number.

It is an amenable number.

31426748 is a deficient number, since it is larger than the sum of its proper divisors (23570068).

31426748 is a wasteful number, since it uses less digits than its factorization.

31426748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7856691 (or 7856689 counting only the distinct ones).

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

The square root of 31426748 is about 5605.9564750362. The cubic root of 31426748 is about 315.5729824807.

The spelling of 31426748 in words is "thirty-one million, four hundred twenty-six thousand, seven hundred forty-eight".