142113331 has 16 divisors (see below), whose sum is σ = 156211200. Its totient is φ = 128779200.

The previous prime is 142113329. The next prime is 142113341. The reversal of 142113331 is 133311241.

142113331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142113331 - 2¹ = 142113329 is a prime.

It is a super-2 number, since 2×142113331² = 40392397695831122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142113299 and 142113308.

It is not an unprimeable number, because it can be changed into a prime (142113341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51066 + ... + 53776.

It is an arithmetic number, because the mean of its divisors is an integer number (9763200).

Almost surely, 2^142113331 is an apocalyptic number.

142113331 is a deficient number, since it is larger than the sum of its proper divisors (14097869).

142113331 is a wasteful number, since it uses less digits than its factorization.

142113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

The product of its digits is 216, while the sum is 19.

The square root of 142113331 is about 11921.1296025167. The cubic root of 142113331 is about 521.8491010418.

Adding to 142113331 its reverse (133311241), we get a palindrome (275424572).

The spelling of 142113331 in words is "one hundred forty-two million, one hundred thirteen thousand, three hundred thirty-one".