313155253100477 has 2 divisors, whose sum is σ = 313155253100478. Its totient is φ = 313155253100476.

The previous prime is 313155253100461. The next prime is 313155253100489. The reversal of 313155253100477 is 774001352551313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305250726473476 + 7904526627001 = 17471426^2 + 2811499^2 .

It is a cyclic number.

It is not a de Polignac number, because 313155253100477 - 2⁴ = 313155253100461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313155253100447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156577626550238 + 156577626550239.

It is an arithmetic number, because the mean of its divisors is an integer number (156577626550239).

Almost surely, 2^{313155253100477} is an apocalyptic number.

It is an amenable number.

313155253100477 is a deficient number, since it is larger than the sum of its proper divisors (1).

313155253100477 is an equidigital number, since it uses as much as digits as its factorization.

313155253100477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323000, while the sum is 47.

The spelling of 313155253100477 in words is "three hundred thirteen trillion, one hundred fifty-five billion, two hundred fifty-three million, one hundred thousand, four hundred seventy-seven".