131303111323320 has 80 divisors (see below), whose sum is σ = 441324346403160. Its totient is φ = 35014163018688.

The previous prime is 131303111323291. The next prime is 131303111323327. The reversal of 131303111323320 is 23323111303131.

131303111323320 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 0 + 3 + 1 + 11 + 323 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303111323327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20262822582 + ... + 20262829061.

Almost surely, 2^{131303111323320} is an apocalyptic number.

131303111323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131303111323320 is an abundant number, since it is smaller than the sum of its proper divisors (310021235079840).

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

131303111323320 is a wasteful number, since it uses less digits than its factorization.

131303111323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40525651666 (or 40525651653 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 131303111323320 its reverse (23323111303131), we get a palindrome (154626222626451).

The spelling of 131303111323320 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred eleven million, three hundred twenty-three thousand, three hundred twenty".