2142312113 has 4 divisors (see below), whose sum is σ = 2143483968. Its totient is φ = 2141140260.

The previous prime is 2142312101. The next prime is 2142312121. The reversal of 2142312113 is 3112132412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2142312113 - 2¹⁸ = 2142049969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142317113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583181 + ... + 586842.

It is an arithmetic number, because the mean of its divisors is an integer number (535870992).

Almost surely, 2^2142312113 is an apocalyptic number.

It is an amenable number.

2142312113 is a deficient number, since it is larger than the sum of its proper divisors (1171855).

2142312113 is a wasteful number, since it uses less digits than its factorization.

2142312113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171854.

The product of its digits is 288, while the sum is 20.

The square root of 2142312113 is about 46285.1176189496. The cubic root of 2142312113 is about 1289.1226759100.

Adding to 2142312113 its reverse (3112132412), we get a palindrome (5254444525).

The spelling of 2142312113 in words is "two billion, one hundred forty-two million, three hundred twelve thousand, one hundred thirteen".