13021431004 has 12 divisors (see below), whose sum is σ = 22806972328. Its totient is φ = 6505153200.

The previous prime is 13021431001. The next prime is 13021431023. The reversal of 13021431004 is 40013412031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021431001) 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 3 ways as a sum of consecutive naturals, for example, 1385307 + ... + 1394674.

Almost surely, 2^13021431004 is an apocalyptic number.

It is an amenable number.

13021431004 is a deficient number, since it is larger than the sum of its proper divisors (9785541324).

13021431004 is a wasteful number, since it uses less digits than its factorization.

13021431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781156 (or 2781154 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13021431004 its reverse (40013412031), we get a palindrome (53034843035).

The spelling of 13021431004 in words is "thirteen billion, twenty-one million, four hundred thirty-one thousand, four".