1230131113111 has 2 divisors, whose sum is σ = 1230131113112. Its totient is φ = 1230131113110.

The previous prime is 1230131113109. The next prime is 1230131113153. The reversal of 1230131113111 is 1113111310321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230131113111 - 2¹ = 1230131113109 is a prime.

Together with 1230131113109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230131110111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615065556555 + 615065556556.

It is an arithmetic number, because the mean of its divisors is an integer number (615065556556).

Almost surely, 2^{1230131113111} is an apocalyptic number.

1230131113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230131113111 is an equidigital number, since it uses as much as digits as its factorization.

1230131113111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1230131113111 its reverse (1113111310321), we get a palindrome (2343242423432).

The spelling of 1230131113111 in words is "one trillion, two hundred thirty billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred eleven".