131996649323 has 16 divisors (see below), whose sum is σ = 164629676544. Its totient is φ = 102815516160.

The previous prime is 131996649289. The next prime is 131996649373. The reversal of 131996649323 is 323946699131.

It is not a de Polignac number, because 131996649323 - 2⁸ = 131996649067 is a prime.

It is a super-4 number, since 4×131996649323⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131996649373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119990 + ... + 527627.

It is an arithmetic number, because the mean of its divisors is an integer number (10289354784).

Almost surely, 2^131996649323 is an apocalyptic number.

131996649323 is a deficient number, since it is larger than the sum of its proper divisors (32633027221).

131996649323 is a wasteful number, since it uses less digits than its factorization.

131996649323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650282.

The product of its digits is 5668704, while the sum is 56.

The spelling of 131996649323 in words is "one hundred thirty-one billion, nine hundred ninety-six million, six hundred forty-nine thousand, three hundred twenty-three".