13231030544 has 10 divisors (see below), whose sum is σ = 25635121710. Its totient is φ = 6615515264.

The previous prime is 13231030511. The next prime is 13231030559. The reversal of 13231030544 is 44503013231.

It can be written as a sum of positive squares in only one way, i.e., 11607907600 + 1623122944 = 107740^2 + 40288^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413469689 + ... + 413469720.

It is an arithmetic number, because the mean of its divisors is an integer number (2563512171).

Almost surely, 2^13231030544 is an apocalyptic number.

It is an amenable number.

13231030544 is a deficient number, since it is larger than the sum of its proper divisors (12404091166).

13231030544 is an equidigital number, since it uses as much as digits as its factorization.

13231030544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826939417 (or 826939411 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13231030544 its reverse (44503013231), we get a palindrome (57734043775).

The spelling of 13231030544 in words is "thirteen billion, two hundred thirty-one million, thirty thousand, five hundred forty-four".