31230976 has 44 divisors (see below), whose sum is σ = 71366608. Its totient is φ = 13381632.

The previous prime is 31230973. The next prime is 31230977. The reversal of 31230976 is 67903213.

It is not an unprimeable number, because it can be changed into a prime (31230973) 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, 4990 + ... + 9346.

Almost surely, 2^31230976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31230976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35683304).

31230976 is an abundant number, since it is smaller than the sum of its proper divisors (40135632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31230976 is an equidigital number, since it uses as much as digits as its factorization.

31230976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384 (or 4366 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 31230976 is about 5588.4681264189. The cubic root of 31230976 is about 314.9163328644.

The spelling of 31230976 in words is "thirty-one million, two hundred thirty thousand, nine hundred seventy-six".