2311251313 has 8 divisors (see below), whose sum is σ = 2641783680. Its totient is φ = 1980807360.

The previous prime is 2311251307. The next prime is 2311251317. The reversal of 2311251313 is 3131521132.

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

It is not a de Polignac number, because 2311251313 - 2¹⁷ = 2311120241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311251317) 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, 49308 + ... + 83986.

It is an arithmetic number, because the mean of its divisors is an integer number (330222960).

Almost surely, 2^2311251313 is an apocalyptic number.

It is an amenable number.

2311251313 is a deficient number, since it is larger than the sum of its proper divisors (330532367).

2311251313 is an equidigital number, since it uses as much as digits as its factorization.

2311251313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44207.

The product of its digits is 540, while the sum is 22.

The square root of 2311251313 is about 48075.4751718587. The cubic root of 2311251313 is about 1322.1550565670.

Adding to 2311251313 its reverse (3131521132), we get a palindrome (5442772445).

The spelling of 2311251313 in words is "two billion, three hundred eleven million, two hundred fifty-one thousand, three hundred thirteen".