303144342131 has 2 divisors, whose sum is σ = 303144342132. Its totient is φ = 303144342130.

The previous prime is 303144342121. The next prime is 303144342161. The reversal of 303144342131 is 131243441303.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 303144342131 - 2¹⁰ = 303144341107 is a prime.

It is a super-2 number, since 2×303144342131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303144342094 and 303144342103.

It is not a weakly prime, because it can be changed into another prime (303144342121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151572171065 + 151572171066.

It is an arithmetic number, because the mean of its divisors is an integer number (151572171066).

Almost surely, 2^303144342131 is an apocalyptic number.

303144342131 is a deficient number, since it is larger than the sum of its proper divisors (1).

303144342131 is an equidigital number, since it uses as much as digits as its factorization.

303144342131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 303144342131 its reverse (131243441303), we get a palindrome (434387783434).

The spelling of 303144342131 in words is "three hundred three billion, one hundred forty-four million, three hundred forty-two thousand, one hundred thirty-one".