23013220203031 has 4 divisors (see below), whose sum is σ = 24224442319000. Its totient is φ = 21801998087064.

The previous prime is 23013220202983. The next prime is 23013220203073. The reversal of 23013220203031 is 13030202231032.

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 23013220203031 - 2⁹ = 23013220202519 is a prime.

It is a super-2 number, since 2×23013220203031² (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 = 23013220202993 and 23013220203011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013220203131) 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, 605611057956 + ... + 605611057993.

It is an arithmetic number, because the mean of its divisors is an integer number (6056110579750).

Almost surely, 2^{23013220203031} is an apocalyptic number.

23013220203031 is a deficient number, since it is larger than the sum of its proper divisors (1211222115969).

23013220203031 is a wasteful number, since it uses less digits than its factorization.

23013220203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211222115968.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23013220203031 its reverse (13030202231032), we get a palindrome (36043422434063).

The spelling of 23013220203031 in words is "twenty-three trillion, thirteen billion, two hundred twenty million, two hundred three thousand, thirty-one".