312201434341387 has 2 divisors, whose sum is σ = 312201434341388. Its totient is φ = 312201434341386.

The previous prime is 312201434341373. The next prime is 312201434341421. The reversal of 312201434341387 is 783143434102213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312201434341387 - 2⁴⁷ = 171463945986059 is a prime.

It is a super-2 number, since 2×312201434341387² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312201434341087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156100717170693 + 156100717170694.

It is an arithmetic number, because the mean of its divisors is an integer number (156100717170694).

Almost surely, 2^{312201434341387} is an apocalyptic number.

312201434341387 is a deficient number, since it is larger than the sum of its proper divisors (1).

312201434341387 is an equidigital number, since it uses as much as digits as its factorization.

312201434341387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 312201434341387 in words is "three hundred twelve trillion, two hundred one billion, four hundred thirty-four million, three hundred forty-one thousand, three hundred eighty-seven".