2031313332 has 48 divisors (see below), whose sum is σ = 5004184640. Its totient is φ = 639539712.

The previous prime is 2031313331. The next prime is 2031313373. The reversal of 2031313332 is 2333131302.

It is a junction number, because it is equal to n+sod(n) for n = 2031313299 and 2031313308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031313331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63618 + ... + 90054.

Almost surely, 2^2031313332 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 2031313332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2502092320).

2031313332 is an abundant number, since it is smaller than the sum of its proper divisors (2972871308).

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

2031313332 is a wasteful number, since it uses less digits than its factorization.

2031313332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26800 (or 26798 counting only the distinct ones).

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

The square root of 2031313332 is about 45070.0935432799. The cubic root of 2031313332 is about 1266.4624167741.

Adding to 2031313332 its reverse (2333131302), we get a palindrome (4364444634).

The spelling of 2031313332 in words is "two billion, thirty-one million, three hundred thirteen thousand, three hundred thirty-two".