303240042331 has 2 divisors, whose sum is σ = 303240042332. Its totient is φ = 303240042330.

The previous prime is 303240042283. The next prime is 303240042337. The reversal of 303240042331 is 133240042303.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-303240042331 is a prime.

It is a super-2 number, since 2×303240042331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303240042296 and 303240042305.

It is not a weakly prime, because it can be changed into another prime (303240042337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151620021165 + 151620021166.

It is an arithmetic number, because the mean of its divisors is an integer number (151620021166).

Almost surely, 2^303240042331 is an apocalyptic number.

303240042331 is a deficient number, since it is larger than the sum of its proper divisors (1).

303240042331 is an equidigital number, since it uses as much as digits as its factorization.

303240042331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 303240042331 its reverse (133240042303), we get a palindrome (436480084634).

The spelling of 303240042331 in words is "three hundred three billion, two hundred forty million, forty-two thousand, three hundred thirty-one".