131201431413021 has 12 divisors (see below), whose sum is σ = 189640625383872. Its totient is φ = 87408799399176.

The previous prime is 131201431413011. The next prime is 131201431413049. The reversal of 131201431413021 is 120314134102131.

131201431413021 is a `hidden beast` number, since 1 + 3 + 1 + 201 + 43 + 1 + 413 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 131201431413021 - 2⁹ = 131201431412509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201431413001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4901781111 + ... + 4901807876.

It is an arithmetic number, because the mean of its divisors is an integer number (15803385448656).

Almost surely, 2^{131201431413021} is an apocalyptic number.

It is an amenable number.

131201431413021 is a deficient number, since it is larger than the sum of its proper divisors (58439193970851).

131201431413021 is a wasteful number, since it uses less digits than its factorization.

131201431413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803590480 (or 9803590477 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131201431413021 its reverse (120314134102131), we get a palindrome (251515565515152).

The spelling of 131201431413021 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred thirty-one million, four hundred thirteen thousand, twenty-one".