110021230031 has 2 divisors, whose sum is σ = 110021230032. Its totient is φ = 110021230030.

The previous prime is 110021229979. The next prime is 110021230213. The reversal of 110021230031 is 130032120011.

It is a weak prime.

It is an emirp because it is prime and its reverse (130032120011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110021230031 is a prime.

It is a super-2 number, since 2×110021230031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110021229988 and 110021230015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110021290031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010615015 + 55010615016.

It is an arithmetic number, because the mean of its divisors is an integer number (55010615016).

Almost surely, 2^110021230031 is an apocalyptic number.

110021230031 is a deficient number, since it is larger than the sum of its proper divisors (1).

110021230031 is an equidigital number, since it uses as much as digits as its factorization.

110021230031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 110021230031 its reverse (130032120011), we get a palindrome (240053350042).

The spelling of 110021230031 in words is "one hundred ten billion, twenty-one million, two hundred thirty thousand, thirty-one".