12342162331 has 2 divisors, whose sum is σ = 12342162332. Its totient is φ = 12342162330.

The previous prime is 12342162317. The next prime is 12342162347. The reversal of 12342162331 is 13326124321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12342162331 - 2¹⁷ = 12342031259 is a prime.

It is a super-2 number, since 2×12342162331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12342162331.

It is not a weakly prime, because it can be changed into another prime (12342112331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6171081165 + 6171081166.

It is an arithmetic number, because the mean of its divisors is an integer number (6171081166).

Almost surely, 2^12342162331 is an apocalyptic number.

12342162331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12342162331 is an equidigital number, since it uses as much as digits as its factorization.

12342162331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

Adding to 12342162331 its reverse (13326124321), we get a palindrome (25668286652).

The spelling of 12342162331 in words is "twelve billion, three hundred forty-two million, one hundred sixty-two thousand, three hundred thirty-one".