312101926480387 has 2 divisors, whose sum is σ = 312101926480388. Its totient is φ = 312101926480386.

The previous prime is 312101926480367. The next prime is 312101926480427. The reversal of 312101926480387 is 783084629101213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312101926480387 is a prime.

It is a super-2 number, since 2×312101926480387² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312101926480367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156050963240193 + 156050963240194.

It is an arithmetic number, because the mean of its divisors is an integer number (156050963240194).

Almost surely, 2^{312101926480387} is an apocalyptic number.

312101926480387 is a deficient number, since it is larger than the sum of its proper divisors (1).

312101926480387 is an equidigital number, since it uses as much as digits as its factorization.

312101926480387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 312101926480387 in words is "three hundred twelve trillion, one hundred one billion, nine hundred twenty-six million, four hundred eighty thousand, three hundred eighty-seven".