311430024343129 has 2 divisors, whose sum is σ = 311430024343130. Its totient is φ = 311430024343128.

The previous prime is 311430024342989. The next prime is 311430024343259. The reversal of 311430024343129 is 921343420034113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201508387483225 + 109921636859904 = 14195365^2 + 10484352^2 .

It is a cyclic number.

It is not a de Polignac number, because 311430024343129 - 2⁹ = 311430024342617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311430024343091 and 311430024343100.

It is not a weakly prime, because it can be changed into another prime (311430028343129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155715012171564 + 155715012171565.

It is an arithmetic number, because the mean of its divisors is an integer number (155715012171565).

Almost surely, 2^{311430024343129} is an apocalyptic number.

It is an amenable number.

311430024343129 is a deficient number, since it is larger than the sum of its proper divisors (1).

311430024343129 is an equidigital number, since it uses as much as digits as its factorization.

311430024343129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 311430024343129 in words is "three hundred eleven trillion, four hundred thirty billion, twenty-four million, three hundred forty-three thousand, one hundred twenty-nine".