113321400 has 48 divisors (see below), whose sum is σ = 351298200. Its totient is φ = 30218880.

The previous prime is 113321389. The next prime is 113321413. The reversal of 113321400 is 4123311.

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 113321400.

It is a congruent number.

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, 93835 + ... + 95034.

Almost surely, 2^113321400 is an apocalyptic number.

113321400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113321400 is an abundant number, since it is smaller than the sum of its proper divisors (237976800).

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

113321400 is a wasteful number, since it uses less digits than its factorization.

113321400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188888 (or 188879 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113321400 is about 10645.2524629527. The cubic root of 113321400 is about 483.9167377206.

Adding to 113321400 its reverse (4123311), we get a palindrome (117444711).

The spelling of 113321400 in words is "one hundred thirteen million, three hundred twenty-one thousand, four hundred".