131323931651 has 8 divisors (see below), whose sum is σ = 143269366464. Its totient is φ = 119379646120.

The previous prime is 131323931639. The next prime is 131323931653. The reversal of 131323931651 is 156139323131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131323931651 - 2¹⁴ = 131323915267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131323931653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39065 + ... + 513978.

It is an arithmetic number, because the mean of its divisors is an integer number (17908670808).

Almost surely, 2^131323931651 is an apocalyptic number.

131323931651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131323931651 is a deficient number, since it is larger than the sum of its proper divisors (11945434813).

131323931651 is a wasteful number, since it uses less digits than its factorization.

131323931651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574641.

The product of its digits is 43740, while the sum is 38.

The spelling of 131323931651 in words is "one hundred thirty-one billion, three hundred twenty-three million, nine hundred thirty-one thousand, six hundred fifty-one".