31042115230231 has 48 divisors (see below), whose sum is σ = 37039496313600. Its totient is φ = 25925833140480.

The previous prime is 31042115230207. The next prime is 31042115230237. The reversal of 31042115230231 is 13203251124013.

It is not a de Polignac number, because 31042115230231 - 2¹⁷ = 31042115099159 is a prime.

It is a super-2 number, since 2×31042115230231² (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 31042115230231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042115230237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4813474095 + ... + 4813480543.

It is an arithmetic number, because the mean of its divisors is an integer number (771656173200).

Almost surely, 2^{31042115230231} is an apocalyptic number.

31042115230231 is a deficient number, since it is larger than the sum of its proper divisors (5997381083369).

31042115230231 is a wasteful number, since it uses less digits than its factorization.

31042115230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684 (or 11677 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 31042115230231 its reverse (13203251124013), we get a palindrome (44245366354244).

The spelling of 31042115230231 in words is "thirty-one trillion, forty-two billion, one hundred fifteen million, two hundred thirty thousand, two hundred thirty-one".