111142143313 has 4 divisors (see below), whose sum is σ = 111143265280. Its totient is φ = 111141021348.

The previous prime is 111142143247. The next prime is 111142143341. The reversal of 111142143313 is 313341241111.

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 111142143313 - 2²⁵ = 111108588881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111142143353) 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, 396273 + ... + 615886.

It is an arithmetic number, because the mean of its divisors is an integer number (27785816320).

Almost surely, 2^111142143313 is an apocalyptic number.

It is an amenable number.

111142143313 is a deficient number, since it is larger than the sum of its proper divisors (1121967).

111142143313 is a wasteful number, since it uses less digits than its factorization.

111142143313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121966.

The product of its digits is 864, while the sum is 25.

Adding to 111142143313 its reverse (313341241111), we get a palindrome (424483384424).

The spelling of 111142143313 in words is "one hundred eleven billion, one hundred forty-two million, one hundred forty-three thousand, three hundred thirteen".