31013233310123 has 8 divisors (see below), whose sum is σ = 31067845476096. Its totient is φ = 30958622188200.

The previous prime is 31013233310077. The next prime is 31013233310173. The reversal of 31013233310123 is 32101333231013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31013233310123 is a prime.

It is a super-2 number, since 2×31013233310123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31013233310092 and 31013233310101.

It is not an unprimeable number, because it can be changed into a prime (31013233310173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81938690 + ... + 82316312.

It is an arithmetic number, because the mean of its divisors is an integer number (3883480684512).

Almost surely, 2^{31013233310123} is an apocalyptic number.

31013233310123 is a deficient number, since it is larger than the sum of its proper divisors (54612165973).

31013233310123 is a wasteful number, since it uses less digits than its factorization.

31013233310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522025.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31013233310123 its reverse (32101333231013), we get a palindrome (63114566541136).

The spelling of 31013233310123 in words is "thirty-one trillion, thirteen billion, two hundred thirty-three million, three hundred ten thousand, one hundred twenty-three".