131023021111023 has 32 divisors (see below), whose sum is σ = 180273645793024. Its totient is φ = 84615498519552.

The previous prime is 131023021111019. The next prime is 131023021111049. The reversal of 131023021111023 is 320111120320131.

It is not a de Polignac number, because 131023021111023 - 2² = 131023021111019 is a prime.

It is a super-2 number, since 2×131023021111023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023021111123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18340765 + ... + 24462822.

It is an arithmetic number, because the mean of its divisors is an integer number (5633551431032).

Almost surely, 2^{131023021111023} is an apocalyptic number.

131023021111023 is a deficient number, since it is larger than the sum of its proper divisors (49250624682001).

131023021111023 is a wasteful number, since it uses less digits than its factorization.

131023021111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42803911.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131023021111023 its reverse (320111120320131), we get a palindrome (451134141431154).

The spelling of 131023021111023 in words is "one hundred thirty-one trillion, twenty-three billion, twenty-one million, one hundred eleven thousand, twenty-three".