2313131111 has 8 divisors (see below), whose sum is σ = 2321789184. Its totient is φ = 2304490240.

The previous prime is 2313131101. The next prime is 2313131113. The reversal of 2313131111 is 1111313132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2313131111 - 2¹⁸ = 2312868967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2313131111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313131113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305210 + ... + 312696.

It is an arithmetic number, because the mean of its divisors is an integer number (290223648).

Almost surely, 2^2313131111 is an apocalyptic number.

2313131111 is a deficient number, since it is larger than the sum of its proper divisors (8658073).

2313131111 is an equidigital number, since it uses as much as digits as its factorization.

2313131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601.

The product of its digits is 54, while the sum is 17.

The square root of 2313131111 is about 48095.0216862411. The cubic root of 2313131111 is about 1322.5134065962.

Adding to 2313131111 its reverse (1111313132), we get a palindrome (3424444243).

The spelling of 2313131111 in words is "two billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred eleven".