303213000131 has 2 divisors, whose sum is σ = 303213000132. Its totient is φ = 303213000130.

The previous prime is 303213000037. The next prime is 303213000133. The reversal of 303213000131 is 131000312303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 303213000131 - 2³⁰ = 302139258307 is a prime.

It is a super-2 number, since 2×303213000131² (a number of 24 digits) contains 22 as substring.

Together with 303213000133, 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 (303213000133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151606500065 + 151606500066.

It is an arithmetic number, because the mean of its divisors is an integer number (151606500066).

Almost surely, 2^303213000131 is an apocalyptic number.

303213000131 is a deficient number, since it is larger than the sum of its proper divisors (1).

303213000131 is an equidigital number, since it uses as much as digits as its factorization.

303213000131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 303213000131 its reverse (131000312303), we get a palindrome (434213312434).

The spelling of 303213000131 in words is "three hundred three billion, two hundred thirteen million, one hundred thirty-one", and thus it is an aban number.