2142234331 has 4 divisors (see below), whose sum is σ = 2144254464. Its totient is φ = 2140214200.

The previous prime is 2142234319. The next prime is 2142234337. The reversal of 2142234331 is 1334322412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142234331 - 2¹¹ = 2142232283 is a prime.

It is a super-2 number, since 2×2142234331² = 9178335857830035122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142234296 and 2142234305.

It is not an unprimeable number, because it can be changed into a prime (2142234337) 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, 1008475 + ... + 1010596.

It is an arithmetic number, because the mean of its divisors is an integer number (536063616).

Almost surely, 2^2142234331 is an apocalyptic number.

2142234331 is a deficient number, since it is larger than the sum of its proper divisors (2020133).

2142234331 is a wasteful number, since it uses less digits than its factorization.

2142234331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020132.

The product of its digits is 3456, while the sum is 25.

The square root of 2142234331 is about 46284.2773628367. The cubic root of 2142234331 is about 1289.1070741134.

Adding to 2142234331 its reverse (1334322412), we get a palindrome (3476556743).

The spelling of 2142234331 in words is "two billion, one hundred forty-two million, two hundred thirty-four thousand, three hundred thirty-one".