302010111989 has 2 divisors, whose sum is σ = 302010111990. Its totient is φ = 302010111988.

The previous prime is 302010111941. The next prime is 302010112009. The reversal of 302010111989 is 989111010203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228383631025 + 73626480964 = 477895^2 + 271342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302010111989 is a prime.

It is a super-2 number, since 2×302010111989² (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 (302010911989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151005055994 + 151005055995.

It is an arithmetic number, because the mean of its divisors is an integer number (151005055995).

Almost surely, 2^302010111989 is an apocalyptic number.

It is an amenable number.

302010111989 is a deficient number, since it is larger than the sum of its proper divisors (1).

302010111989 is an equidigital number, since it uses as much as digits as its factorization.

302010111989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 302010111989 in words is "three hundred two billion, ten million, one hundred eleven thousand, nine hundred eighty-nine".