42312023031131 has 32 divisors (see below), whose sum is σ = 52316504819712. Its totient is φ = 33391190799360.

The previous prime is 42312023031121. The next prime is 42312023031139. The reversal of 42312023031131 is 13113032021324.

It is a happy number.

It is not a de Polignac number, because 42312023031131 - 2⁶ = 42312023031067 is a prime.

It is a super-2 number, since 2×42312023031131² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42312023031131.

It is not an unprimeable number, because it can be changed into a prime (42312023031139) 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, 9366575 + ... + 13128471.

It is an arithmetic number, because the mean of its divisors is an integer number (1634890775616).

Almost surely, 2^{42312023031131} is an apocalyptic number.

42312023031131 is a deficient number, since it is larger than the sum of its proper divisors (10004481788581).

42312023031131 is a wasteful number, since it uses less digits than its factorization.

42312023031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763979.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 42312023031131 its reverse (13113032021324), we get a palindrome (55425055052455).

The spelling of 42312023031131 in words is "forty-two trillion, three hundred twelve billion, twenty-three million, thirty-one thousand, one hundred thirty-one".