13231954000 has 40 divisors (see below), whose sum is σ = 31994869608. Its totient is φ = 5292780800.

The previous prime is 13231953997. The next prime is 13231954051. The reversal of 13231954000 is 45913231.

It can be written as a sum of positive squares in 4 ways, for example, as 2058618384 + 11173335616 = 45372^2 + 105704^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 13231954000.

It is a congruent number.

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, 3305989 + ... + 3309988.

Almost surely, 2^13231954000 is an apocalyptic number.

13231954000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231954000 is an abundant number, since it is smaller than the sum of its proper divisors (18762915608).

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

13231954000 is an equidigital number, since it uses as much as digits as its factorization.

13231954000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6616000 (or 6615984 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 13231954000 in words is "thirteen billion, two hundred thirty-one million, nine hundred fifty-four thousand".