312301477 has 2 divisors, whose sum is σ = 312301478. Its totient is φ = 312301476.

The previous prime is 312301453. The next prime is 312301487. The reversal of 312301477 is 774103213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303247396 + 9054081 = 17414^2 + 3009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312301477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312301427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156150738 + 156150739.

It is an arithmetic number, because the mean of its divisors is an integer number (156150739).

Almost surely, 2^312301477 is an apocalyptic number.

It is an amenable number.

312301477 is a deficient number, since it is larger than the sum of its proper divisors (1).

312301477 is an equidigital number, since it uses as much as digits as its factorization.

312301477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 312301477 is about 17672.0535592217. The cubic root of 312301477 is about 678.4606738875.

The spelling of 312301477 in words is "three hundred twelve million, three hundred one thousand, four hundred seventy-seven".