131233402040323 has 16 divisors (see below), whose sum is σ = 150699929639040. Its totient is φ = 113023018008000.

The previous prime is 131233402040303. The next prime is 131233402040327. The reversal of 131233402040323 is 323040204332131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131233402040323 is a prime.

It is a super-2 number, since 2×131233402040323² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131233402040327) 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, 22429311 + ... + 27668407.

It is an arithmetic number, because the mean of its divisors is an integer number (9418745602440).

Almost surely, 2^{131233402040323} is an apocalyptic number.

131233402040323 is a deficient number, since it is larger than the sum of its proper divisors (19466527598717).

131233402040323 is a wasteful number, since it uses less digits than its factorization.

131233402040323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358978.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 131233402040323 its reverse (323040204332131), we get a palindrome (454273606372454).

The spelling of 131233402040323 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, four hundred two million, forty thousand, three hundred twenty-three".