23431444430131 has 8 divisors (see below), whose sum is σ = 23449781466000. Its totient is φ = 23413113356640.

The previous prime is 23431444430129. The next prime is 23431444430161. The reversal of 23431444430131 is 13103444413432.

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 23431444430131 - 2¹ = 23431444430129 is a prime.

It is a super-2 number, since 2×23431444430131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23431444430161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6388525 + ... + 9363553.

It is an arithmetic number, because the mean of its divisors is an integer number (2931222683250).

Almost surely, 2^{23431444430131} is an apocalyptic number.

23431444430131 is a deficient number, since it is larger than the sum of its proper divisors (18337035869).

23431444430131 is a wasteful number, since it uses less digits than its factorization.

23431444430131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981189.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 23431444430131 its reverse (13103444413432), we get a palindrome (36534888843563).

The spelling of 23431444430131 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred forty-four million, four hundred thirty thousand, one hundred thirty-one".