13251431005320 has 32 divisors (see below), whose sum is σ = 39754293016320. Its totient is φ = 3533714934720.

The previous prime is 13251431005283. The next prime is 13251431005339. The reversal of 13251431005320 is 2350013415231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55214295736 + ... + 55214295975.

It is an arithmetic number, because the mean of its divisors is an integer number (1242321656760).

Almost surely, 2^{13251431005320} is an apocalyptic number.

13251431005320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13251431005320 is an abundant number, since it is smaller than the sum of its proper divisors (26502862011000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13251431005320 is a wasteful number, since it uses less digits than its factorization.

13251431005320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110428591725 (or 110428591721 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 13251431005320 in words is "thirteen trillion, two hundred fifty-one billion, four hundred thirty-one million, five thousand, three hundred twenty".