131130232132321 has 16 divisors (see below), whose sum is σ = 142189797816000. Its totient is φ = 120525242943168.

The previous prime is 131130232132313. The next prime is 131130232132327. The reversal of 131130232132321 is 123231232031131.

It is a cyclic number.

It is not a de Polignac number, because 131130232132321 - 2³ = 131130232132313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131130232132321.

It is not an unprimeable number, because it can be changed into a prime (131130232132327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538475986 + ... + 538719451.

It is an arithmetic number, because the mean of its divisors is an integer number (8886862363500).

Almost surely, 2^{131130232132321} is an apocalyptic number.

It is an amenable number.

131130232132321 is a deficient number, since it is larger than the sum of its proper divisors (11059565683679).

131130232132321 is a wasteful number, since it uses less digits than its factorization.

131130232132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077195648.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 131130232132321 its reverse (123231232031131), we get a palindrome (254361464163452).

The spelling of 131130232132321 in words is "one hundred thirty-one trillion, one hundred thirty billion, two hundred thirty-two million, one hundred thirty-two thousand, three hundred twenty-one".