131404313433321 has 24 divisors (see below), whose sum is σ = 190308127950720. Its totient is φ = 87371413579296.

The previous prime is 131404313433319. The next prime is 131404313433359. The reversal of 131404313433321 is 123334313404131.

131404313433321 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 4 + 313 + 4 + 3 + 332 + 1 = 666.

It is not a de Polignac number, because 131404313433321 - 2¹ = 131404313433319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131404313433121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000810 + ... + 16242236.

It is an arithmetic number, because the mean of its divisors is an integer number (7929505331280).

Almost surely, 2^{131404313433321} is an apocalyptic number.

It is an amenable number.

131404313433321 is a deficient number, since it is larger than the sum of its proper divisors (58903814517399).

131404313433321 is a wasteful number, since it uses less digits than its factorization.

131404313433321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15243965 (or 15243962 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

Adding to 131404313433321 its reverse (123334313404131), we get a palindrome (254738626837452).

The spelling of 131404313433321 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred thirteen million, four hundred thirty-three thousand, three hundred twenty-one".