2312155107 has 24 divisors (see below), whose sum is σ = 3500825328. Its totient is φ = 1468857600.

The previous prime is 2312155103. The next prime is 2312155117. The reversal of 2312155107 is 7015512132.

2312155107 is a `hidden beast` number, since 23 + 121 + 5 + 510 + 7 = 666.

It is not a de Polignac number, because 2312155107 - 2² = 2312155103 is a prime.

It is a super-2 number, since 2×2312155107² = 10692122477652362898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2312155103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56994 + ... + 88727.

It is an arithmetic number, because the mean of its divisors is an integer number (145867722).

Almost surely, 2^2312155107 is an apocalyptic number.

2312155107 is a deficient number, since it is larger than the sum of its proper divisors (1188670221).

2312155107 is a wasteful number, since it uses less digits than its factorization.

2312155107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145811 (or 145808 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 2312155107 is about 48084.8739938039. The cubic root of 2312155107 is about 1322.3273730484.

Adding to 2312155107 its reverse (7015512132), we get a palindrome (9327667239).

The spelling of 2312155107 in words is "two billion, three hundred twelve million, one hundred fifty-five thousand, one hundred seven".