230131320 has 64 divisors (see below), whose sum is σ = 696885120. Its totient is φ = 60791424.

The previous prime is 230131309. The next prime is 230131333. The reversal of 230131320 is 23131032.

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

It is a self number, because there is not a number n which added to its sum of digits gives 230131320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3879 + ... + 21801.

It is an arithmetic number, because the mean of its divisors is an integer number (10888830).

Almost surely, 2^230131320 is an apocalyptic number.

230131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348442560).

230131320 is an abundant number, since it is smaller than the sum of its proper divisors (466753800).

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

230131320 is a wasteful number, since it uses less digits than its factorization.

230131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18044 (or 18040 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 230131320 is about 15170.0797624798. The cubic root of 230131320 is about 612.8091522765.

Adding to 230131320 its reverse (23131032), we get a palindrome (253262352).

The spelling of 230131320 in words is "two hundred thirty million, one hundred thirty-one thousand, three hundred twenty".