2031311332 has 72 divisors (see below), whose sum is σ = 3879671040. Its totient is φ = 929501760.

The previous prime is 2031311327. The next prime is 2031311333. The reversal of 2031311332 is 2331131302.

It is a super-2 number, since 2×2031311332² = 8252451455023228448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031311333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11348019 + ... + 11348197.

It is an arithmetic number, because the mean of its divisors is an integer number (53884320).

Almost surely, 2^2031311332 is an apocalyptic number.

It is an amenable number.

2031311332 is a deficient number, since it is larger than the sum of its proper divisors (1848359708).

2031311332 is a wasteful number, since it uses less digits than its factorization.

2031311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2031311332 is about 45070.0713556125. The cubic root of 2031311332 is about 1266.4620011275.

Adding to 2031311332 its reverse (2331131302), we get a palindrome (4362442634).

The spelling of 2031311332 in words is "two billion, thirty-one million, three hundred eleven thousand, three hundred thirty-two".