31040026243023 has 24 divisors (see below), whose sum is σ = 48144943755648. Its totient is φ = 17736704849136.

The previous prime is 31040026242997. The next prime is 31040026243043. The reversal of 31040026243023 is 32034262004013.

It is not a de Polignac number, because 31040026243023 - 2⁵ = 31040026242991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31040026243043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3121390 + ... + 8474852.

It is an arithmetic number, because the mean of its divisors is an integer number (2006039323152).

Almost surely, 2^{31040026243023} is an apocalyptic number.

31040026243023 is a deficient number, since it is larger than the sum of its proper divisors (17104917512625).

31040026243023 is a wasteful number, since it uses less digits than its factorization.

31040026243023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392923 (or 5392916 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 31040026243023 its reverse (32034262004013), we get a palindrome (63074288247036).

The spelling of 31040026243023 in words is "thirty-one trillion, forty billion, twenty-six million, two hundred forty-three thousand, twenty-three".