1231446913363 has 2 divisors, whose sum is σ = 1231446913364. Its totient is φ = 1231446913362.

The previous prime is 1231446913351. The next prime is 1231446913409. The reversal of 1231446913363 is 3633196441321.

It is an a-pointer prime, because the next prime (1231446913409) can be obtained adding 1231446913363 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231446913363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231446013363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615723456681 + 615723456682.

It is an arithmetic number, because the mean of its divisors is an integer number (615723456682).

Almost surely, 2^{1231446913363} is an apocalyptic number.

1231446913363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231446913363 is an equidigital number, since it uses as much as digits as its factorization.

1231446913363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 46.

The spelling of 1231446913363 in words is "one trillion, two hundred thirty-one billion, four hundred forty-six million, nine hundred thirteen thousand, three hundred sixty-three".