131231323320000 has 280 divisors, whose sum is σ = 443971657542336. Its totient is φ = 34181180544000.

The previous prime is 131231323319953. The next prime is 131231323320023. The reversal of 131231323320000 is 23323132131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7556214 + ... + 17876213.

Almost surely, 2^{131231323320000} is an apocalyptic number.

131231323320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131231323320000 is an abundant number, since it is smaller than the sum of its proper divisors (312740334222336).

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

131231323320000 is an equidigital number, since it uses as much as digits as its factorization.

131231323320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25432505 (or 25432480 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131231323320000 its reverse (23323132131), we get a palindrome (131254646452131).

The spelling of 131231323320000 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, three hundred twenty-three million, three hundred twenty thousand".