1231133310163 has 2 divisors, whose sum is σ = 1231133310164. Its totient is φ = 1231133310162.

The previous prime is 1231133310131. The next prime is 1231133310181. The reversal of 1231133310163 is 3610133311321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231133310163 - 2⁵ = 1231133310131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1231133314163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615566655081 + 615566655082.

It is an arithmetic number, because the mean of its divisors is an integer number (615566655082).

Almost surely, 2^{1231133310163} is an apocalyptic number.

1231133310163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231133310163 is an equidigital number, since it uses as much as digits as its factorization.

1231133310163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 1231133310163 its reverse (3610133311321), we get a palindrome (4841266621484).

The spelling of 1231133310163 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-three million, three hundred ten thousand, one hundred sixty-three".