2311685142 has 32 divisors (see below), whose sum is σ = 5008856832. Its totient is φ = 707024544.

The previous prime is 2311685137. The next prime is 2311685161. The reversal of 2311685142 is 2415861132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75708 + ... + 101759.

It is an arithmetic number, because the mean of its divisors is an integer number (156526776).

Almost surely, 2^2311685142 is an apocalyptic number.

2311685142 is an abundant number, since it is smaller than the sum of its proper divisors (2697171690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311685142 is a wasteful number, since it uses less digits than its factorization.

2311685142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177652.

The product of its digits is 11520, while the sum is 33.

The square root of 2311685142 is about 48079.9869176355. The cubic root of 2311685142 is about 1322.2377755857.

The spelling of 2311685142 in words is "two billion, three hundred eleven million, six hundred eighty-five thousand, one hundred forty-two".