2031321332 has 12 divisors (see below), whose sum is σ = 3555440196. Its totient is φ = 1015481280.

The previous prime is 2031321323. The next prime is 2031321353. The reversal of 2031321332 is 2331231302.

It can be written as a sum of positive squares in 2 ways, for example, as 1959478756 + 71842576 = 44266^2 + 8476^2 .

It is a congruent number.

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, 17519 + ... + 66102.

It is an arithmetic number, because the mean of its divisors is an integer number (296286683).

Almost surely, 2^2031321332 is an apocalyptic number.

It is an amenable number.

2031321332 is a deficient number, since it is larger than the sum of its proper divisors (1524118864).

2031321332 is a wasteful number, since it uses less digits than its factorization.

2031321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89698 (or 89696 counting only the distinct ones).

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

The square root of 2031321332 is about 45070.1822938403. The cubic root of 2031321332 is about 1266.4640793579.

Adding to 2031321332 its reverse (2331231302), we get a palindrome (4362552634).

The spelling of 2031321332 in words is "two billion, thirty-one million, three hundred twenty-one thousand, three hundred thirty-two".