13231010402 has 16 divisors (see below), whose sum is σ = 20620553400. Its totient is φ = 6359485440.

The previous prime is 13231010399. The next prime is 13231010407. The reversal of 13231010402 is 20401013231.

It can be written as a sum of positive squares in 4 ways, for example, as 11806778281 + 1424232121 = 108659^2 + 37739^2 .

It is not an unprimeable number, because it can be changed into a prime (13231010407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 484799 + ... + 511362.

Almost surely, 2^13231010402 is an apocalyptic number.

13231010402 is a deficient number, since it is larger than the sum of its proper divisors (7389542998).

13231010402 is a wasteful number, since it uses less digits than its factorization.

13231010402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996421.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13231010402 its reverse (20401013231), we get a palindrome (33632023633).

The spelling of 13231010402 in words is "thirteen billion, two hundred thirty-one million, ten thousand, four hundred two".