113203401 has 32 divisors (see below), whose sum is σ = 163565568. Its totient is φ = 69463680.

The previous prime is 113203397. The next prime is 113203403. The reversal of 113203401 is 104302311.

It is not a de Polignac number, because 113203401 - 2² = 113203397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113203403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217021 + ... + 217541.

It is an arithmetic number, because the mean of its divisors is an integer number (5111424).

Almost surely, 2^113203401 is an apocalyptic number.

It is an amenable number.

113203401 is a deficient number, since it is larger than the sum of its proper divisors (50362167).

113203401 is a wasteful number, since it uses less digits than its factorization.

113203401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661.

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

The square root of 113203401 is about 10639.7086896212. The cubic root of 113203401 is about 483.7487155519.

Adding to 113203401 its reverse (104302311), we get a palindrome (217505712).

The spelling of 113203401 in words is "one hundred thirteen million, two hundred three thousand, four hundred one".