13231020308 has 12 divisors (see below), whose sum is σ = 25259220672. Its totient is φ = 6014100120.

The previous prime is 13231020277. The next prime is 13231020311. The reversal of 13231020308 is 80302013231.

It is a congruent number.

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, 150352460 + ... + 150352547.

It is an arithmetic number, because the mean of its divisors is an integer number (2104935056).

Almost surely, 2^13231020308 is an apocalyptic number.

It is an amenable number.

13231020308 is a deficient number, since it is larger than the sum of its proper divisors (12028200364).

13231020308 is a wasteful number, since it uses less digits than its factorization.

13231020308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300705022 (or 300705020 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13231020308 its reverse (80302013231), we get a palindrome (93533033539).

The spelling of 13231020308 in words is "thirteen billion, two hundred thirty-one million, twenty thousand, three hundred eight".