31240434303023 has 48 divisors (see below), whose sum is σ = 34959282462720. Its totient is φ = 27891846840000.

The previous prime is 31240434302989. The next prime is 31240434303031. The reversal of 31240434303023 is 32030343404213.

It is not a de Polignac number, because 31240434303023 - 2⁸ = 31240434302767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240434303083) 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, 6350970158 + ... + 6350975076.

It is an arithmetic number, because the mean of its divisors is an integer number (728318384640).

Almost surely, 2^{31240434303023} is an apocalyptic number.

31240434303023 is a deficient number, since it is larger than the sum of its proper divisors (3718848159697).

31240434303023 is a wasteful number, since it uses less digits than its factorization.

31240434303023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140 (or 9129 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 31240434303023 its reverse (32030343404213), we get a palindrome (63270777707236).

The spelling of 31240434303023 in words is "thirty-one trillion, two hundred forty billion, four hundred thirty-four million, three hundred three thousand, twenty-three".