320131200 has 96 divisors (see below), whose sum is σ = 1054463760. Its totient is φ = 85365760.

The previous prime is 320131177. The next prime is 320131211. The reversal of 320131200 is 2131023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7074 + ... + 26273.

Almost surely, 2^320131200 is an apocalyptic number.

320131200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320131200 is an abundant number, since it is smaller than the sum of its proper divisors (734332560).

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

320131200 is a wasteful number, since it uses less digits than its factorization.

320131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33374 (or 33357 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320131200 is about 17892.2105956754. The cubic root of 320131200 is about 684.0838445833.

Adding to 320131200 its reverse (2131023), we get a palindrome (322262223).

The spelling of 320131200 in words is "three hundred twenty million, one hundred thirty-one thousand, two hundred".