10202231231 has 2 divisors, whose sum is σ = 10202231232. Its totient is φ = 10202231230.

The previous prime is 10202231227. The next prime is 10202231243. The reversal of 10202231231 is 13213220201.

10202231231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10202231231 - 2² = 10202231227 is a prime.

It is a super-2 number, since 2×10202231231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202231201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101115615 + 5101115616.

It is an arithmetic number, because the mean of its divisors is an integer number (5101115616).

Almost surely, 2^10202231231 is an apocalyptic number.

10202231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202231231 is an equidigital number, since it uses as much as digits as its factorization.

10202231231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10202231231 its reverse (13213220201), we get a palindrome (23415451432).

The spelling of 10202231231 in words is "ten billion, two hundred two million, two hundred thirty-one thousand, two hundred thirty-one".