120303121331 has 2 divisors, whose sum is σ = 120303121332. Its totient is φ = 120303121330.

The previous prime is 120303121321. The next prime is 120303121333. The reversal of 120303121331 is 133121303021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120303121331 is a prime.

It is a super-2 number, since 2×120303121331² (a number of 23 digits) contains 22 as substring.

Together with 120303121333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120303121333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60151560665 + 60151560666.

It is an arithmetic number, because the mean of its divisors is an integer number (60151560666).

Almost surely, 2^120303121331 is an apocalyptic number.

120303121331 is a deficient number, since it is larger than the sum of its proper divisors (1).

120303121331 is an equidigital number, since it uses as much as digits as its factorization.

120303121331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 120303121331 its reverse (133121303021), we get a palindrome (253424424352).

The spelling of 120303121331 in words is "one hundred twenty billion, three hundred three million, one hundred twenty-one thousand, three hundred thirty-one".