302135145391 has 2 divisors, whose sum is σ = 302135145392. Its totient is φ = 302135145390.

The previous prime is 302135145349. The next prime is 302135145397. The reversal of 302135145391 is 193541531203.

It is a strong prime.

It is an emirp because it is prime and its reverse (193541531203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302135145391 - 2⁹ = 302135144879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 302135145391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302135145397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151067572695 + 151067572696.

It is an arithmetic number, because the mean of its divisors is an integer number (151067572696).

Almost surely, 2^302135145391 is an apocalyptic number.

302135145391 is a deficient number, since it is larger than the sum of its proper divisors (1).

302135145391 is an equidigital number, since it uses as much as digits as its factorization.

302135145391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

Adding to 302135145391 its reverse (193541531203), we get a palindrome (495676676594).

The spelling of 302135145391 in words is "three hundred two billion, one hundred thirty-five million, one hundred forty-five thousand, three hundred ninety-one".