2113131301 has 4 divisors (see below), whose sum is σ = 2131831692. Its totient is φ = 2094430912.

The previous prime is 2113131257. The next prime is 2113131373. The reversal of 2113131301 is 1031313112.

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 368064225 + 1745067076 = 19185^2 + 41774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113131301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113131701) 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, 9350026 + ... + 9350251.

It is an arithmetic number, because the mean of its divisors is an integer number (532957923).

Almost surely, 2^2113131301 is an apocalyptic number.

It is an amenable number.

2113131301 is a deficient number, since it is larger than the sum of its proper divisors (18700391).

2113131301 is a wasteful number, since it uses less digits than its factorization.

2113131301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18700390.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2113131301 is about 45968.8079136277. The cubic root of 2113131301 is about 1283.2427748696.

Adding to 2113131301 its reverse (1031313112), we get a palindrome (3144444413).

The spelling of 2113131301 in words is "two billion, one hundred thirteen million, one hundred thirty-one thousand, three hundred one".