2311013131 has 8 divisors (see below), whose sum is σ = 2641973760. Its totient is φ = 1980256488.

The previous prime is 2311013123. The next prime is 2311013137. The reversal of 2311013131 is 1313101132.

2311013131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2311013131 - 2³ = 2311013123 is a prime.

It is a super-2 number, since 2×2311013131² = 10681563383308846322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311013137) 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, 25891 + ... + 72748.

It is an arithmetic number, because the mean of its divisors is an integer number (330246720).

Almost surely, 2^2311013131 is an apocalyptic number.

2311013131 is a deficient number, since it is larger than the sum of its proper divisors (330960629).

2311013131 is an equidigital number, since it uses as much as digits as its factorization.

2311013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101993.

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

The square root of 2311013131 is about 48072.9979406319. The cubic root of 2311013131 is about 1322.1096375405.

Adding to 2311013131 its reverse (1313101132), we get a palindrome (3624114263).

The spelling of 2311013131 in words is "two billion, three hundred eleven million, thirteen thousand, one hundred thirty-one".