1242314304331 has 2 divisors, whose sum is σ = 1242314304332. Its totient is φ = 1242314304330.

The previous prime is 1242314304299. The next prime is 1242314304401. The reversal of 1242314304331 is 1334034132421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242314304331 - 2⁵ = 1242314304299 is a prime.

It is a super-2 number, since 2×1242314304331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1242314304293 and 1242314304302.

It is not a weakly prime, because it can be changed into another prime (1242314364331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621157152165 + 621157152166.

It is an arithmetic number, because the mean of its divisors is an integer number (621157152166).

Almost surely, 2^{1242314304331} is an apocalyptic number.

1242314304331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242314304331 is an equidigital number, since it uses as much as digits as its factorization.

1242314304331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1242314304331 its reverse (1334034132421), we get a palindrome (2576348436752).

The spelling of 1242314304331 in words is "one trillion, two hundred forty-two billion, three hundred fourteen million, three hundred four thousand, three hundred thirty-one".