102301231 has 2 divisors, whose sum is σ = 102301232. Its totient is φ = 102301230.

The previous prime is 102301229. The next prime is 102301247. The reversal of 102301231 is 132103201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102301231 - 2¹ = 102301229 is a prime.

It is a super-2 number, since 2×102301231² = 20931083728230722, which contains 22 as substring.

Together with 102301229, 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 (102301201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51150615 + 51150616.

It is an arithmetic number, because the mean of its divisors is an integer number (51150616).

Almost surely, 2^102301231 is an apocalyptic number.

102301231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102301231 is an equidigital number, since it uses as much as digits as its factorization.

102301231 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 13.

The square root of 102301231 is about 10114.4071007647. The cubic root of 102301231 is about 467.6923718580.

Adding to 102301231 its reverse (132103201), we get a palindrome (234404432).

The spelling of 102301231 in words is "one hundred two million, three hundred one thousand, two hundred thirty-one".