1231014106563 has 16 divisors (see below), whose sum is σ = 1666355049216. Its totient is φ = 808200802080.

The previous prime is 1231014106561. The next prime is 1231014106579. The reversal of 1231014106563 is 3656014101321.

It is a happy number.

It is not a de Polignac number, because 1231014106563 - 2¹ = 1231014106561 is a prime.

It is a super-2 number, since 2×1231014106563² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231014106561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3084520 + ... + 3460677.

It is an arithmetic number, because the mean of its divisors is an integer number (104147190576).

Almost surely, 2^{1231014106563} is an apocalyptic number.

1231014106563 is a deficient number, since it is larger than the sum of its proper divisors (435340942653).

1231014106563 is an equidigital number, since it uses as much as digits as its factorization.

1231014106563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546154.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 1231014106563 its reverse (3656014101321), we get a palindrome (4887028207884).

The spelling of 1231014106563 in words is "one trillion, two hundred thirty-one billion, fourteen million, one hundred six thousand, five hundred sixty-three".