302012222131 has 2 divisors, whose sum is σ = 302012222132. Its totient is φ = 302012222130.

The previous prime is 302012222129. The next prime is 302012222143. The reversal of 302012222131 is 131222210203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 302012222131 - 2¹ = 302012222129 is a prime.

It is a super-2 number, since 2×302012222131² (a number of 24 digits) contains 22 as substring.

Together with 302012222129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 302012222099 and 302012222108.

It is not a weakly prime, because it can be changed into another prime (302012222431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151006111065 + 151006111066.

It is an arithmetic number, because the mean of its divisors is an integer number (151006111066).

Almost surely, 2^302012222131 is an apocalyptic number.

302012222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

302012222131 is an equidigital number, since it uses as much as digits as its factorization.

302012222131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 302012222131 its reverse (131222210203), we get a palindrome (433234432334).

The spelling of 302012222131 in words is "three hundred two billion, twelve million, two hundred twenty-two thousand, one hundred thirty-one".