23013030031 has 4 divisors (see below), whose sum is σ = 23013349000. Its totient is φ = 23012711064.

The previous prime is 23013029987. The next prime is 23013030077. The reversal of 23013030031 is 13003031032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23013030031 - 2¹⁷ = 23012898959 is a prime.

It is a super-2 number, since 2×23013030031² (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 = 23013029987 and 23013030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013030331) 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, 5920 + ... + 214618.

It is an arithmetic number, because the mean of its divisors is an integer number (5753337250).

Almost surely, 2^23013030031 is an apocalyptic number.

23013030031 is a deficient number, since it is larger than the sum of its proper divisors (318969).

23013030031 is a wasteful number, since it uses less digits than its factorization.

23013030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318968.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 23013030031 its reverse (13003031032), we get a palindrome (36016061063).

The spelling of 23013030031 in words is "twenty-three billion, thirteen million, thirty thousand, thirty-one".