103231312002128 has 40 divisors (see below), whose sum is σ = 213560429108928. Its totient is φ = 48223322687232.

The previous prime is 103231312002127. The next prime is 103231312002157. The reversal of 103231312002128 is 821200213132301.

It is a self number, because there is not a number n which added to its sum of digits gives 103231312002128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103231312002121) 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, 3261843125 + ... + 3261874772.

Almost surely, 2^{103231312002128} is an apocalyptic number.

It is an amenable number.

103231312002128 is an abundant number, since it is smaller than the sum of its proper divisors (110329117106800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103231312002128 is a wasteful number, since it uses less digits than its factorization.

103231312002128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6523717971 (or 6523717965 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 103231312002128 its reverse (821200213132301), we get a palindrome (924431525134429).

The spelling of 103231312002128 in words is "one hundred three trillion, two hundred thirty-one billion, three hundred twelve million, two thousand, one hundred twenty-eight".