102231312231 has 8 divisors (see below), whose sum is σ = 137950686720. Its totient is φ = 67333072952.

The previous prime is 102231312191. The next prime is 102231312247. The reversal of 102231312231 is 132213132201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102231312231 - 2⁷ = 102231312103 is a prime.

It is a super-2 number, since 2×102231312231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102231312198 and 102231312207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231312331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205283511 + ... + 205284008.

It is an arithmetic number, because the mean of its divisors is an integer number (17243835840).

Almost surely, 2^102231312231 is an apocalyptic number.

102231312231 is a deficient number, since it is larger than the sum of its proper divisors (35719374489).

102231312231 is an equidigital number, since it uses as much as digits as its factorization.

102231312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410567605.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 102231312231 its reverse (132213132201), we get a palindrome (234444444432).

The spelling of 102231312231 in words is "one hundred two billion, two hundred thirty-one million, three hundred twelve thousand, two hundred thirty-one".