3131023332 has 24 divisors (see below), whose sum is σ = 7307099296. Its totient is φ = 1043477568.

The previous prime is 3131023321. The next prime is 3131023333. The reversal of 3131023332 is 2333201313.

It is a junction number, because it is equal to n+sod(n) for n = 3131023299 and 3131023308.

It is not an unprimeable number, because it can be changed into a prime (3131023333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50928 + ... + 94104.

Almost surely, 2^3131023332 is an apocalyptic number.

It is an amenable number.

3131023332 is an abundant number, since it is smaller than the sum of its proper divisors (4176075964).

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

3131023332 is a wasteful number, since it uses less digits than its factorization.

3131023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49227 (or 49225 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 3131023332 is about 55955.5478214627. The cubic root of 3131023332 is about 1462.9475904925.

Adding to 3131023332 its reverse (2333201313), we get a palindrome (5464224645).

The spelling of 3131023332 in words is "three billion, one hundred thirty-one million, twenty-three thousand, three hundred thirty-two".