23031111030 has 32 divisors (see below), whose sum is σ = 55283205888. Its totient is φ = 6140680800.

The previous prime is 23031111023. The next prime is 23031111031. The reversal of 23031111030 is 3011113032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031111031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150265 + ... + 261995.

It is an arithmetic number, because the mean of its divisors is an integer number (1727600184).

Almost surely, 2^23031111030 is an apocalyptic number.

23031111030 is an abundant number, since it is smaller than the sum of its proper divisors (32252094858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23031111030 is a wasteful number, since it uses less digits than its factorization.

23031111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118612.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 23031111030 its reverse (3011113032), we get a palindrome (26042224062).

The spelling of 23031111030 in words is "twenty-three billion, thirty-one million, one hundred eleven thousand, thirty".