23020311031 has 8 divisors (see below), whose sum is σ = 24375995280. Its totient is φ = 21664798848.

The previous prime is 23020311029. The next prime is 23020311143. The reversal of 23020311031 is 13011302032.

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 23020311031 - 2¹ = 23020311029 is a prime.

It is a super-2 number, since 2×23020311031² (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 = 23020310996 and 23020311014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020311931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320065 + ... + 385333.

It is an arithmetic number, because the mean of its divisors is an integer number (3046999410).

Almost surely, 2^23020311031 is an apocalyptic number.

23020311031 is a deficient number, since it is larger than the sum of its proper divisors (1355684249).

23020311031 is a wasteful number, since it uses less digits than its factorization.

23020311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86033.

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

Adding to 23020311031 its reverse (13011302032), we get a palindrome (36031613063).

The spelling of 23020311031 in words is "twenty-three billion, twenty million, three hundred eleven thousand, thirty-one".