2140342331 has 8 divisors (see below), whose sum is σ = 2236007424. Its totient is φ = 2046341160.

The previous prime is 2140342297. The next prime is 2140342363. The reversal of 2140342331 is 1332430412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140342331 is a prime.

It is a super-2 number, since 2×2140342331² = 9162130587741027122, 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 = 2140342297 and 2140342306.

It is not an unprimeable number, because it can be changed into a prime (2140342031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413351 + ... + 418496.

It is an arithmetic number, because the mean of its divisors is an integer number (279500928).

Almost surely, 2^2140342331 is an apocalyptic number.

2140342331 is a deficient number, since it is larger than the sum of its proper divisors (95665093).

2140342331 is an equidigital number, since it uses as much as digits as its factorization.

2140342331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831961.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2140342331 is about 46263.8339418600. The cubic root of 2140342331 is about 1288.7274534946.

Adding to 2140342331 its reverse (1332430412), we get a palindrome (3472772743).

The spelling of 2140342331 in words is "two billion, one hundred forty million, three hundred forty-two thousand, three hundred thirty-one".