100313121234 has 16 divisors (see below), whose sum is σ = 207544389120. Its totient is φ = 32284682640.

The previous prime is 100313121203. The next prime is 100313121257. The reversal of 100313121234 is 432121313001.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100313121234.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 288255922 + ... + 288256269.

It is an arithmetic number, because the mean of its divisors is an integer number (12971524320).

Almost surely, 2^100313121234 is an apocalyptic number.

100313121234 is an abundant number, since it is smaller than the sum of its proper divisors (107231267886).

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

100313121234 is a wasteful number, since it uses less digits than its factorization.

100313121234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576512225.

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

Adding to 100313121234 its reverse (432121313001), we get a palindrome (532434434235).

The spelling of 100313121234 in words is "one hundred billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred thirty-four".