113131312201 has 4 divisors (see below), whose sum is σ = 113132642832. Its totient is φ = 113129981572.

The previous prime is 113131312163. The next prime is 113131312211. The reversal of 113131312201 is 102213131311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113131312201 - 2¹¹ = 113131310153 is a prime.

It is a super-3 number, since 3×113131312201³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113131312211) 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, 528391 + ... + 710956.

It is an arithmetic number, because the mean of its divisors is an integer number (28283160708).

Almost surely, 2^113131312201 is an apocalyptic number.

It is an amenable number.

113131312201 is a deficient number, since it is larger than the sum of its proper divisors (1330631).

113131312201 is an equidigital number, since it uses as much as digits as its factorization.

113131312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330630.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113131312201 its reverse (102213131311), we get a palindrome (215344443512).

The spelling of 113131312201 in words is "one hundred thirteen billion, one hundred thirty-one million, three hundred twelve thousand, two hundred one".