31482992 has 20 divisors (see below), whose sum is σ = 61260960. Its totient is φ = 15673728.

The previous prime is 31482991. The next prime is 31483003. The reversal of 31482992 is 29928413.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31482991) 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, 293 + ... + 7940.

It is an arithmetic number, because the mean of its divisors is an integer number (3063048).

Almost surely, 2^31482992 is an apocalyptic number.

It is an amenable number.

31482992 is a deficient number, since it is larger than the sum of its proper divisors (29777968).

31482992 is a wasteful number, since it uses less digits than its factorization.

31482992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480 (or 8474 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 31482992 is about 5610.9706825112. The cubic root of 31482992 is about 315.7611290973.

The spelling of 31482992 in words is "thirty-one million, four hundred eighty-two thousand, nine hundred ninety-two".