131021422023 has 16 divisors (see below), whose sum is σ = 185675060480. Its totient is φ = 81946966464.

The previous prime is 131021422019. The next prime is 131021422031. The reversal of 131021422023 is 320224120131.

It is not a de Polignac number, because 131021422023 - 2² = 131021422019 is a prime.

It is a super-2 number, since 2×131021422023² (a number of 23 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 (131021422003) 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, 11152486 + ... + 11164227.

It is an arithmetic number, because the mean of its divisors is an integer number (11604691280).

Almost surely, 2^131021422023 is an apocalyptic number.

131021422023 is a deficient number, since it is larger than the sum of its proper divisors (54653638457).

131021422023 is a wasteful number, since it uses less digits than its factorization.

131021422023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22316838.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 131021422023 its reverse (320224120131), we get a palindrome (451245542154).

The spelling of 131021422023 in words is "one hundred thirty-one billion, twenty-one million, four hundred twenty-two thousand, twenty-three".