111230102302031 has 2 divisors, whose sum is σ = 111230102302032. Its totient is φ = 111230102302030.

The previous prime is 111230102302019. The next prime is 111230102302079. The reversal of 111230102302031 is 130203201032111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (130203201032111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111230102302031 - 2³⁴ = 111212922432847 is a prime.

It is a super-2 number, since 2×111230102302031² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 111230102301994 and 111230102302012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111230102302001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615051151015 + 55615051151016.

It is an arithmetic number, because the mean of its divisors is an integer number (55615051151016).

Almost surely, 2^{111230102302031} is an apocalyptic number.

111230102302031 is a deficient number, since it is larger than the sum of its proper divisors (1).

111230102302031 is an equidigital number, since it uses as much as digits as its factorization.

111230102302031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111230102302031 its reverse (130203201032111), we get a palindrome (241433303334142).

The spelling of 111230102302031 in words is "one hundred eleven trillion, two hundred thirty billion, one hundred two million, three hundred two thousand, thirty-one".