2140142331 has 16 divisors (see below), whose sum is σ = 2890816544. Its totient is φ = 1408195584.

The previous prime is 2140142317. The next prime is 2140142339. The reversal of 2140142331 is 1332410412.

It is not a de Polignac number, because 2140142331 - 2⁶ = 2140142267 is a prime.

It is a super-2 number, since 2×2140142331² = 9160418393876227122, 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 = 2140142298 and 2140142307.

It is not an unprimeable number, because it can be changed into a prime (2140142339) 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, 98685 + ... + 118401.

It is an arithmetic number, because the mean of its divisors is an integer number (180676034).

Almost surely, 2^2140142331 is an apocalyptic number.

2140142331 is a deficient number, since it is larger than the sum of its proper divisors (750674213).

2140142331 is a wasteful number, since it uses less digits than its factorization.

2140142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20190.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2140142331 is about 46261.6723757367. The cubic root of 2140142331 is about 1288.6873113928.

Adding to 2140142331 its reverse (1332410412), we get a palindrome (3472552743).

The spelling of 2140142331 in words is "two billion, one hundred forty million, one hundred forty-two thousand, three hundred thirty-one".