113021328 has 40 divisors (see below), whose sum is σ = 333683008. Its totient is φ = 32291712.

The previous prime is 113021327. The next prime is 113021339. The reversal of 113021328 is 823120311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (113021327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167851 + ... + 168522.

Almost surely, 2^113021328 is an apocalyptic number.

It is an amenable number.

113021328 is an abundant number, since it is smaller than the sum of its proper divisors (220661680).

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

113021328 is a wasteful number, since it uses less digits than its factorization.

113021328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336391 (or 336385 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 113021328 is about 10631.1489501370. The cubic root of 113021328 is about 483.4892273451.

Adding to 113021328 its reverse (823120311), we get a palindrome (936141639).

The spelling of 113021328 in words is "one hundred thirteen million, twenty-one thousand, three hundred twenty-eight".