2313112201131 has 4 divisors (see below), whose sum is σ = 3084149601512. Its totient is φ = 1542074800752.

The previous prime is 2313112201109. The next prime is 2313112201139. The reversal of 2313112201131 is 1311022113132.

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

It is not a de Polignac number, because 2313112201131 - 2¹³ = 2313112192939 is a prime.

It is a super-2 number, since 2×2313112201131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2313112201098 and 2313112201107.

It is not an unprimeable number, because it can be changed into a prime (2313112201139) 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, 385518700186 + ... + 385518700191.

It is an arithmetic number, because the mean of its divisors is an integer number (771037400378).

Almost surely, 2^{2313112201131} is an apocalyptic number.

2313112201131 is a deficient number, since it is larger than the sum of its proper divisors (771037400381).

2313112201131 is an equidigital number, since it uses as much as digits as its factorization.

2313112201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771037400380.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2313112201131 its reverse (1311022113132), we get a palindrome (3624134314263).

The spelling of 2313112201131 in words is "two trillion, three hundred thirteen billion, one hundred twelve million, two hundred one thousand, one hundred thirty-one".