2131362113 has 2 divisors, whose sum is σ = 2131362114. Its totient is φ = 2131362112.

The previous prime is 2131362089. The next prime is 2131362169. The reversal of 2131362113 is 3112631312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111586304 + 19775809 = 45952^2 + 4447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131362113 - 2¹⁸ = 2131099969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131362173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065681056 + 1065681057.

It is an arithmetic number, because the mean of its divisors is an integer number (1065681057).

Almost surely, 2^2131362113 is an apocalyptic number.

It is an amenable number.

2131362113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131362113 is an equidigital number, since it uses as much as digits as its factorization.

2131362113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 2131362113 is about 46166.6775174476. The cubic root of 2131362113 is about 1286.9225588915.

Adding to 2131362113 its reverse (3112631312), we get a palindrome (5243993425).

The spelling of 2131362113 in words is "two billion, one hundred thirty-one million, three hundred sixty-two thousand, one hundred thirteen".