312202001401391 has 2 divisors, whose sum is σ = 312202001401392. Its totient is φ = 312202001401390.

The previous prime is 312202001401349. The next prime is 312202001401487. The reversal of 312202001401391 is 193104100202213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312202001401391 - 2¹⁸ = 312202001139247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312202001401291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156101000700695 + 156101000700696.

It is an arithmetic number, because the mean of its divisors is an integer number (156101000700696).

Almost surely, 2^{312202001401391} is an apocalyptic number.

312202001401391 is a deficient number, since it is larger than the sum of its proper divisors (1).

312202001401391 is an equidigital number, since it uses as much as digits as its factorization.

312202001401391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 312202001401391 in words is "three hundred twelve trillion, two hundred two billion, one million, four hundred one thousand, three hundred ninety-one".