2312131101 has 16 divisors (see below), whose sum is σ = 3595152000. Its totient is φ = 1321217184.

The previous prime is 2312131067. The next prime is 2312131103. The reversal of 2312131101 is 1011312132.

It is a happy number.

It is not a de Polignac number, because 2312131101 - 2¹⁵ = 2312098333 is a prime.

It is a super-2 number, since 2×2312131101² = 10691900456422944402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312131103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122456 + ... + 1124513.

It is an arithmetic number, because the mean of its divisors is an integer number (224697000).

Almost surely, 2^2312131101 is an apocalyptic number.

2312131101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2312131101 is a deficient number, since it is larger than the sum of its proper divisors (1283020899).

2312131101 is an equidigital number, since it uses as much as digits as its factorization.

2312131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246993 (or 2246979 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2312131101 is about 48084.6243720381. The cubic root of 2312131101 is about 1322.3227966685.

Adding to 2312131101 its reverse (1011312132), we get a palindrome (3323443233).

The spelling of 2312131101 in words is "two billion, three hundred twelve million, one hundred thirty-one thousand, one hundred one".