312201901049 has 2 divisors, whose sum is σ = 312201901050. Its totient is φ = 312201901048.

The previous prime is 312201901013. The next prime is 312201901069. The reversal of 312201901049 is 940109102213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260630670400 + 51571230649 = 510520^2 + 227093^2 .

It is a cyclic number.

It is not a de Polignac number, because 312201901049 - 2³² = 307906933753 is a prime.

It is not a weakly prime, because it can be changed into another prime (312201901069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156100950524 + 156100950525.

It is an arithmetic number, because the mean of its divisors is an integer number (156100950525).

Almost surely, 2^312201901049 is an apocalyptic number.

It is an amenable number.

312201901049 is a deficient number, since it is larger than the sum of its proper divisors (1).

312201901049 is an equidigital number, since it uses as much as digits as its factorization.

312201901049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 312201901049 in words is "three hundred twelve billion, two hundred one million, nine hundred one thousand, forty-nine".