312300061 has 2 divisors, whose sum is σ = 312300062. Its totient is φ = 312300060.

The previous prime is 312300011. The next prime is 312300067. The reversal of 312300061 is 160003213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231192025 + 81108036 = 15205^2 + 9006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312300061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312300067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156150030 + 156150031.

It is an arithmetic number, because the mean of its divisors is an integer number (156150031).

Almost surely, 2^312300061 is an apocalyptic number.

It is an amenable number.

312300061 is a deficient number, since it is larger than the sum of its proper divisors (1).

312300061 is an equidigital number, since it uses as much as digits as its factorization.

312300061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 312300061 is about 17672.0134959206. The cubic root of 312300061 is about 678.4596484875.

Adding to 312300061 its reverse (160003213), we get a palindrome (472303274).

The spelling of 312300061 in words is "three hundred twelve million, three hundred thousand, sixty-one".