102102330231 has 72 divisors (see below), whose sum is σ = 165332014848. Its totient is φ = 60660943200.

The previous prime is 102102330229. The next prime is 102102330251. The reversal of 102102330231 is 132033201201.

102102330231 is a `hidden beast` number, since 1 + 0 + 2 + 102 + 330 + 231 = 666.

It is not a de Polignac number, because 102102330231 - 2¹ = 102102330229 is a prime.

It is a super-2 number, since 2×102102330231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102330251) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11836386 + ... + 11845008.

It is an arithmetic number, because the mean of its divisors is an integer number (2296277984).

Almost surely, 2^102102330231 is an apocalyptic number.

102102330231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102102330231 is a deficient number, since it is larger than the sum of its proper divisors (63229684617).

102102330231 is a wasteful number, since it uses less digits than its factorization.

102102330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8865 (or 8851 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102102330231 its reverse (132033201201), we get a palindrome (234135531432).

The spelling of 102102330231 in words is "one hundred two billion, one hundred two million, three hundred thirty thousand, two hundred thirty-one".