302203012981 has 2 divisors, whose sum is σ = 302203012982. Its totient is φ = 302203012980.

The previous prime is 302203012907. The next prime is 302203013081. The reversal of 302203012981 is 189210302203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280672146225 + 21530866756 = 529785^2 + 146734^2 .

It is a cyclic number.

It is not a de Polignac number, because 302203012981 - 2¹¹ = 302203010933 is a prime.

It is a super-2 number, since 2×302203012981² (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 (302203012901) 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, 151101506490 + 151101506491.

It is an arithmetic number, because the mean of its divisors is an integer number (151101506491).

Almost surely, 2^302203012981 is an apocalyptic number.

It is an amenable number.

302203012981 is a deficient number, since it is larger than the sum of its proper divisors (1).

302203012981 is an equidigital number, since it uses as much as digits as its factorization.

302203012981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 302203012981 in words is "three hundred two billion, two hundred three million, twelve thousand, nine hundred eighty-one".