113311001 has 4 divisors (see below), whose sum is σ = 119976372. Its totient is φ = 106645632.

The previous prime is 113310997. The next prime is 113311007. The reversal of 113311001 is 100113311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54405376 + 58905625 = 7376^2 + 7675^2 .

It is a cyclic number.

It is not a de Polignac number, because 113311001 - 2² = 113310997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113311007) 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, 3332660 + ... + 3332693.

It is an arithmetic number, because the mean of its divisors is an integer number (29994093).

Almost surely, 2^113311001 is an apocalyptic number.

It is an amenable number.

113311001 is a deficient number, since it is larger than the sum of its proper divisors (6665371).

113311001 is an equidigital number, since it uses as much as digits as its factorization.

113311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665370.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 113311001 is about 10644.7640180513. The cubic root of 113311001 is about 483.9019349735.

Adding to 113311001 its reverse (100113311), we get a palindrome (213424312).

The spelling of 113311001 in words is "one hundred thirteen million, three hundred eleven thousand, one".