131333133321 has 16 divisors (see below), whose sum is σ = 209534344320. Its totient is φ = 80820389520.

The previous prime is 131333133317. The next prime is 131333133331. The reversal of 131333133321 is 123331333131.

131333133321 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 331 + 3 + 3 + 321 = 666.

It is not a de Polignac number, because 131333133321 - 2² = 131333133317 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (131333133301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187083885 + ... + 187084586.

It is an arithmetic number, because the mean of its divisors is an integer number (13095896520).

Almost surely, 2^131333133321 is an apocalyptic number.

It is an amenable number.

131333133321 is a deficient number, since it is larger than the sum of its proper divisors (78201210999).

131333133321 is a wasteful number, since it uses less digits than its factorization.

131333133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374168493 (or 374168487 counting only the distinct ones).

The product of its digits is 4374, while the sum is 27.

Adding to 131333133321 its reverse (123331333131), we get a palindrome (254664466452).

The spelling of 131333133321 in words is "one hundred thirty-one billion, three hundred thirty-three million, one hundred thirty-three thousand, three hundred twenty-one".