113630321 has 16 divisors (see below), whose sum is σ = 131788800. Its totient is φ = 95964048.

The previous prime is 113630303. The next prime is 113630339. The reversal of 113630321 is 123036311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113630303) and next prime (113630339).

It is a cyclic number.

It is not a de Polignac number, because 113630321 - 2²² = 109436017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113630293 and 113630302.

It is not an unprimeable number, because it can be changed into a prime (113630351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258620 + ... + 259058.

It is an arithmetic number, because the mean of its divisors is an integer number (8236800).

Almost surely, 2^113630321 is an apocalyptic number.

It is an amenable number.

113630321 is a deficient number, since it is larger than the sum of its proper divisors (18158479).

113630321 is a wasteful number, since it uses less digits than its factorization.

113630321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 113630321 is about 10659.7523892443. The cubic root of 113630321 is about 484.3560675278.

Adding to 113630321 its reverse (123036311), we get a palindrome (236666632).

The spelling of 113630321 in words is "one hundred thirteen million, six hundred thirty thousand, three hundred twenty-one".