302112220031 has 2 divisors, whose sum is σ = 302112220032. Its totient is φ = 302112220030.

The previous prime is 302112220013. The next prime is 302112220117. The reversal of 302112220031 is 130022211203.

Together with previous prime (302112220013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 302112220031 - 2¹⁴ = 302112203647 is a prime.

It is a super-2 number, since 2×302112220031² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 302112219991 and 302112220009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302112220831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151056110015 + 151056110016.

It is an arithmetic number, because the mean of its divisors is an integer number (151056110016).

Almost surely, 2^302112220031 is an apocalyptic number.

302112220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

302112220031 is an equidigital number, since it uses as much as digits as its factorization.

302112220031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 302112220031 its reverse (130022211203), we get a palindrome (432134431234).

The spelling of 302112220031 in words is "three hundred two billion, one hundred twelve million, two hundred twenty thousand, thirty-one".