13231032554 has 4 divisors (see below), whose sum is σ = 19846548834. Its totient is φ = 6615516276.

The previous prime is 13231032547. The next prime is 13231032583. The reversal of 13231032554 is 45523013231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8459400625 + 4771631929 = 91975^2 + 69077^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307758137 + ... + 3307758140.

Almost surely, 2^13231032554 is an apocalyptic number.

13231032554 is a deficient number, since it is larger than the sum of its proper divisors (6615516280).

13231032554 is an equidigital number, since it uses as much as digits as its factorization.

13231032554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615516279.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13231032554 its reverse (45523013231), we get a palindrome (58754045785).

The spelling of 13231032554 in words is "thirteen billion, two hundred thirty-one million, thirty-two thousand, five hundred fifty-four".