2031431322 has 32 divisors (see below), whose sum is σ = 4280166720. Its totient is φ = 640984320.

The previous prime is 2031431317. The next prime is 2031431351. The reversal of 2031431322 is 2231341302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148608 + ... + 161700.

It is an arithmetic number, because the mean of its divisors is an integer number (133755210).

Almost surely, 2^2031431322 is an apocalyptic number.

2031431322 is an abundant number, since it is smaller than the sum of its proper divisors (2248735398).

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

2031431322 is a wasteful number, since it uses less digits than its factorization.

2031431322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14478.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2031431322 is about 45071.4024853898. The cubic root of 2031431322 is about 1266.4869373646.

Adding to 2031431322 its reverse (2231341302), we get a palindrome (4262772624).

The spelling of 2031431322 in words is "two billion, thirty-one million, four hundred thirty-one thousand, three hundred twenty-two".