23011203031 has 4 divisors (see below), whose sum is σ = 24222319000. Its totient is φ = 21800087064.

The previous prime is 23011202969. The next prime is 23011203037. The reversal of 23011203031 is 13030211032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23011203031 - 2¹⁵ = 23011170263 is a prime.

It is a super-2 number, since 2×23011203031² (a number of 22 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 = 23011202996 and 23011203014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011203037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605557956 + ... + 605557993.

It is an arithmetic number, because the mean of its divisors is an integer number (6055579750).

Almost surely, 2^23011203031 is an apocalyptic number.

23011203031 is a deficient number, since it is larger than the sum of its proper divisors (1211115969).

23011203031 is a wasteful number, since it uses less digits than its factorization.

23011203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211115968.

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

Adding to 23011203031 its reverse (13030211032), we get a palindrome (36041414063).

The spelling of 23011203031 in words is "twenty-three billion, eleven million, two hundred three thousand, thirty-one".