2031631496 has 16 divisors (see below), whose sum is σ = 3833574540. Its totient is φ = 1009344960.

The previous prime is 2031631379. The next prime is 2031631501. The reversal of 2031631496 is 6941361302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2017267396 + 14364100 = 44914^2 + 3790^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807515 + ... + 810026.

Almost surely, 2^2031631496 is an apocalyptic number.

It is an amenable number.

2031631496 is a deficient number, since it is larger than the sum of its proper divisors (1801943044).

2031631496 is a wasteful number, since it uses less digits than its factorization.

2031631496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617704 (or 1617700 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 2031631496 is about 45073.6230627182. The cubic root of 2031631496 is about 1266.5285351988.

Adding to 2031631496 its reverse (6941361302), we get a palindrome (8972992798).

The spelling of 2031631496 in words is "two billion, thirty-one million, six hundred thirty-one thousand, four hundred ninety-six".