302313101989 has 2 divisors, whose sum is σ = 302313101990. Its totient is φ = 302313101988.

The previous prime is 302313101933. The next prime is 302313102031. The reversal of 302313101989 is 989101313203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256829009089 + 45484092900 = 506783^2 + 213270^2 .

It is a cyclic number.

It is not a de Polignac number, because 302313101989 - 2²¹ = 302311004837 is a prime.

It is a super-2 number, since 2×302313101989² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302313101789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151156550994 + 151156550995.

It is an arithmetic number, because the mean of its divisors is an integer number (151156550995).

Almost surely, 2^302313101989 is an apocalyptic number.

It is an amenable number.

302313101989 is a deficient number, since it is larger than the sum of its proper divisors (1).

302313101989 is an equidigital number, since it uses as much as digits as its factorization.

302313101989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 302313101989 in words is "three hundred two billion, three hundred thirteen million, one hundred one thousand, nine hundred eighty-nine".