320113100 has 18 divisors (see below), whose sum is σ = 694645644. Its totient is φ = 128045200.

The previous prime is 320113097. The next prime is 320113127. The reversal of 320113100 is 1311023.

It is a super-2 number, since 2×320113100² = 204944793583220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1600466 + ... + 1600665.

Almost surely, 2^320113100 is an apocalyptic number.

It is an amenable number.

320113100 is an abundant number, since it is smaller than the sum of its proper divisors (374532544).

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

320113100 is a wasteful number, since it uses less digits than its factorization.

320113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201145 (or 3201138 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 320113100 is about 17891.7047818256. The cubic root of 320113100 is about 684.0709517954.

Adding to 320113100 its reverse (1311023), we get a palindrome (321424123).

The spelling of 320113100 in words is "three hundred twenty million, one hundred thirteen thousand, one hundred".