2115310142 has 12 divisors (see below), whose sum is σ = 3487639848. Its totient is φ = 961504500.

The previous prime is 2115310139. The next prime is 2115310157. The reversal of 2115310142 is 2410135112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4370234 + ... + 4370717.

It is an arithmetic number, because the mean of its divisors is an integer number (290636654).

Almost surely, 2^2115310142 is an apocalyptic number.

2115310142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2115310142 is a deficient number, since it is larger than the sum of its proper divisors (1372329706).

2115310142 is a wasteful number, since it uses less digits than its factorization.

2115310142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740975 (or 8740964 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2115310142 is about 45992.5009322172. The cubic root of 2115310142 is about 1283.6836721523.

Adding to 2115310142 its reverse (2410135112), we get a palindrome (4525445254).

The spelling of 2115310142 in words is "two billion, one hundred fifteen million, three hundred ten thousand, one hundred forty-two".