313155253100447 has 2 divisors, whose sum is σ = 313155253100448. Its totient is φ = 313155253100446.

The previous prime is 313155253100429. The next prime is 313155253100461. The reversal of 313155253100447 is 744001352551313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313155253100447 - 2²⁰ = 313155252051871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313155253100398 and 313155253100407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313155253100477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156577626550223 + 156577626550224.

It is an arithmetic number, because the mean of its divisors is an integer number (156577626550224).

Almost surely, 2^{313155253100447} is an apocalyptic number.

313155253100447 is a deficient number, since it is larger than the sum of its proper divisors (1).

313155253100447 is an equidigital number, since it uses as much as digits as its factorization.

313155253100447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 313155253100447 in words is "three hundred thirteen trillion, one hundred fifty-five billion, two hundred fifty-three million, one hundred thousand, four hundred forty-seven".