31103012023 has 8 divisors (see below), whose sum is σ = 32348083856. Its totient is φ = 29881656000.

The previous prime is 31103011993. The next prime is 31103012071. The reversal of 31103012023 is 32021030113.

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

It is a cyclic number.

It is not a de Polignac number, because 31103012023 - 2²⁵ = 31069457591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31103011988 and 31103012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103012093) 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, 5926278 + ... + 5931523.

It is an arithmetic number, because the mean of its divisors is an integer number (4043510482).

Almost surely, 2^31103012023 is an apocalyptic number.

31103012023 is a deficient number, since it is larger than the sum of its proper divisors (1245071833).

31103012023 is a wasteful number, since it uses less digits than its factorization.

31103012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11857905.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31103012023 its reverse (32021030113), we get a palindrome (63124042136).

The spelling of 31103012023 in words is "thirty-one billion, one hundred three million, twelve thousand, twenty-three".