131331233320320 has 128 divisors (see below), whose sum is σ = 456674515937280. Its totient is φ = 31837874739200.

The previous prime is 131331233320291. The next prime is 131331233320387. The reversal of 131331233320320 is 23023332133131.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3109146336 + ... + 3109188575.

It is an arithmetic number, because the mean of its divisors is an integer number (3567769655760).

Almost surely, 2^{131331233320320} is an apocalyptic number.

131331233320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131331233320320 is an abundant number, since it is smaller than the sum of its proper divisors (325343282616960).

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

131331233320320 is a wasteful number, since it uses less digits than its factorization.

131331233320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218334944 (or 6218334932 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 131331233320320 its reverse (23023332133131), we get a palindrome (154354565453451).

The spelling of 131331233320320 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, two hundred thirty-three million, three hundred twenty thousand, three hundred twenty".