2131320332 has 12 divisors (see below), whose sum is σ = 3731167440. Its totient is φ = 1065272496.

The previous prime is 2131320283. The next prime is 2131320341. The reversal of 2131320332 is 2330231312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84368 + ... + 106679.

It is an arithmetic number, because the mean of its divisors is an integer number (310930620).

Almost surely, 2^2131320332 is an apocalyptic number.

It is an amenable number.

2131320332 is a deficient number, since it is larger than the sum of its proper divisors (1599847108).

2131320332 is a wasteful number, since it uses less digits than its factorization.

2131320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193840 (or 193838 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2131320332 is about 46166.2250135313. The cubic root of 2131320332 is about 1286.9141496740.

Adding to 2131320332 its reverse (2330231312), we get a palindrome (4461551644).

The spelling of 2131320332 in words is "two billion, one hundred thirty-one million, three hundred twenty thousand, three hundred thirty-two".