23130031330 has 64 divisors (see below), whose sum is σ = 50134671360. Its totient is φ = 7505625024.

The previous prime is 23130031321. The next prime is 23130031339. The reversal of 23130031330 is 3313003132.

It is an interprime number because it is at equal distance from previous prime (23130031321) and next prime (23130031339).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 23130031298 and 23130031307.

It is not an unprimeable number, because it can be changed into a prime (23130031339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1459107 + ... + 1474873.

It is an arithmetic number, because the mean of its divisors is an integer number (783354240).

Almost surely, 2^23130031330 is an apocalyptic number.

23130031330 is an abundant number, since it is smaller than the sum of its proper divisors (27004640030).

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

23130031330 is a wasteful number, since it uses less digits than its factorization.

23130031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16903.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 23130031330 its reverse (3313003132), we get a palindrome (26443034462).

The spelling of 23130031330 in words is "twenty-three billion, one hundred thirty million, thirty-one thousand, three hundred thirty".