2142324020231 has 4 divisors (see below), whose sum is σ = 2142342894000. Its totient is φ = 2142305146464.

The previous prime is 2142324020087. The next prime is 2142324020261. The reversal of 2142324020231 is 1320204232412.

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 2142324020231 - 2¹⁸ = 2142323758087 is a prime.

It is a super-2 number, since 2×2142324020231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142324020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142324020261) 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, 9265586 + ... + 9493983.

It is an arithmetic number, because the mean of its divisors is an integer number (535585723500).

Almost surely, 2^{2142324020231} is an apocalyptic number.

2142324020231 is a deficient number, since it is larger than the sum of its proper divisors (18873769).

2142324020231 is a wasteful number, since it uses less digits than its factorization.

2142324020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18873768.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2142324020231 its reverse (1320204232412), we get a palindrome (3462528252643).

The spelling of 2142324020231 in words is "two trillion, one hundred forty-two billion, three hundred twenty-four million, twenty thousand, two hundred thirty-one".