110203031231 has 2 divisors, whose sum is σ = 110203031232. Its totient is φ = 110203031230.

The previous prime is 110203031179. The next prime is 110203031291. The reversal of 110203031231 is 132130302011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110203031231 is a prime.

It is a super-2 number, since 2×110203031231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110203031291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101515615 + 55101515616.

It is an arithmetic number, because the mean of its divisors is an integer number (55101515616).

Almost surely, 2^110203031231 is an apocalyptic number.

110203031231 is a deficient number, since it is larger than the sum of its proper divisors (1).

110203031231 is an equidigital number, since it uses as much as digits as its factorization.

110203031231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 110203031231 its reverse (132130302011), we get a palindrome (242333333242).

The spelling of 110203031231 in words is "one hundred ten billion, two hundred three million, thirty-one thousand, two hundred thirty-one".