113001403 has 4 divisors (see below), whose sum is σ = 114098608. Its totient is φ = 111904200.

The previous prime is 113001389. The next prime is 113001409. The reversal of 113001403 is 304100311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304100311 = 61 ⋅4985251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113001403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113001409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548448 + ... + 548653.

It is an arithmetic number, because the mean of its divisors is an integer number (28524652).

Almost surely, 2^113001403 is an apocalyptic number.

113001403 is a deficient number, since it is larger than the sum of its proper divisors (1097205).

113001403 is a wasteful number, since it uses less digits than its factorization.

113001403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097204.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 113001403 is about 10630.2118040987. The cubic root of 113001403 is about 483.4608135663.

Adding to 113001403 its reverse (304100311), we get a palindrome (417101714).

The spelling of 113001403 in words is "one hundred thirteen million, one thousand, four hundred three".