2312815099 has 16 divisors (see below), whose sum is σ = 2811995136. Its totient is φ = 1856937600.

The previous prime is 2312815051. The next prime is 2312815111. The reversal of 2312815099 is 9905182132.

It is not a de Polignac number, because 2312815099 - 2⁷ = 2312814971 is a prime.

It is a super-2 number, since 2×2312815099² = 10698227364324759602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312815019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20947 + ... + 71164.

It is an arithmetic number, because the mean of its divisors is an integer number (175749696).

Almost surely, 2^2312815099 is an apocalyptic number.

2312815099 is a deficient number, since it is larger than the sum of its proper divisors (499180037).

2312815099 is a wasteful number, since it uses less digits than its factorization.

2312815099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92346.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 2312815099 is about 48091.7362859774. The cubic root of 2312815099 is about 1322.4531781123.

The spelling of 2312815099 in words is "two billion, three hundred twelve million, eight hundred fifteen thousand, ninety-nine".