302261147213 has 2 divisors, whose sum is σ = 302261147214. Its totient is φ = 302261147212.

The previous prime is 302261147137. The next prime is 302261147273. The reversal of 302261147213 is 312741162203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184490007529 + 117771139684 = 429523^2 + 343178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302261147213 is a prime.

It is a super-2 number, since 2×302261147213² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 302261147213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302261147273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151130573606 + 151130573607.

It is an arithmetic number, because the mean of its divisors is an integer number (151130573607).

Almost surely, 2^302261147213 is an apocalyptic number.

It is an amenable number.

302261147213 is a deficient number, since it is larger than the sum of its proper divisors (1).

302261147213 is an equidigital number, since it uses as much as digits as its factorization.

302261147213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 302261147213 in words is "three hundred two billion, two hundred sixty-one million, one hundred forty-seven thousand, two hundred thirteen".