2313131151 has 4 divisors (see below), whose sum is σ = 3084174872. Its totient is φ = 1542087432.

The previous prime is 2313131141. The next prime is 2313131201. The reversal of 2313131151 is 1511313132.

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

It is not a de Polignac number, because 2313131151 - 2⁹ = 2313130639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313131101) 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, 385521856 + ... + 385521861.

It is an arithmetic number, because the mean of its divisors is an integer number (771043718).

Almost surely, 2^2313131151 is an apocalyptic number.

2313131151 is a deficient number, since it is larger than the sum of its proper divisors (771043721).

2313131151 is an equidigital number, since it uses as much as digits as its factorization.

2313131151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771043720.

The product of its digits is 270, while the sum is 21.

The square root of 2313131151 is about 48095.0221020845. The cubic root of 2313131151 is about 1322.5134142195.

Adding to 2313131151 its reverse (1511313132), we get a palindrome (3824444283).

The spelling of 2313131151 in words is "two billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred fifty-one".