113490321 has 24 divisors (see below), whose sum is σ = 176964480. Its totient is φ = 64505952.

The previous prime is 113490319. The next prime is 113490323. The reversal of 113490321 is 123094311.

It is an interprime number because it is at equal distance from previous prime (113490319) and next prime (113490323).

It is not a de Polignac number, because 113490321 - 2¹ = 113490319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113490291 and 113490300.

It is not an unprimeable number, because it can be changed into a prime (113490323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27000 + ... + 30918.

It is an arithmetic number, because the mean of its divisors is an integer number (7373520).

Almost surely, 2^113490321 is an apocalyptic number.

It is an amenable number.

113490321 is a deficient number, since it is larger than the sum of its proper divisors (63474159).

113490321 is a wasteful number, since it uses less digits than its factorization.

113490321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 113490321 is about 10653.1836086683. The cubic root of 113490321 is about 484.1570663086.

The spelling of 113490321 in words is "one hundred thirteen million, four hundred ninety thousand, three hundred twenty-one".