320231130 has 32 divisors (see below), whose sum is σ = 809006400. Its totient is φ = 80900352.

The previous prime is 320231129. The next prime is 320231143. The reversal of 320231130 is 31132023.

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

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, 280335 + ... + 281474.

It is an arithmetic number, because the mean of its divisors is an integer number (25281450).

Almost surely, 2^320231130 is an apocalyptic number.

320231130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320231130 is an abundant number, since it is smaller than the sum of its proper divisors (488775270).

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

320231130 is a wasteful number, since it uses less digits than its factorization.

320231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561838.

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

The square root of 320231130 is about 17895.0029337801. The cubic root of 320231130 is about 684.1550168472.

Adding to 320231130 its reverse (31132023), we get a palindrome (351363153).

It can be divided in two parts, 32023 and 1130, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 320231130 in words is "three hundred twenty million, two hundred thirty-one thousand, one hundred thirty".