100313121232 has 20 divisors (see below), whose sum is σ = 194427458500. Its totient is φ = 50138293248.

The previous prime is 100313121203. The next prime is 100313121257. The reversal of 100313121232 is 232121313001.

It can be written as a sum of positive squares in 2 ways, for example, as 11542494096 + 88770627136 = 107436^2 + 297944^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096353 + ... + 1184320.

It is an arithmetic number, because the mean of its divisors is an integer number (9721372925).

Almost surely, 2^100313121232 is an apocalyptic number.

It is an amenable number.

100313121232 is a deficient number, since it is larger than the sum of its proper divisors (94114337268).

100313121232 is a wasteful number, since it uses less digits than its factorization.

100313121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283430 (or 2283424 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 100313121232 its reverse (232121313001), we get a palindrome (332434434233).

The spelling of 100313121232 in words is "one hundred billion, three hundred thirteen million, one hundred twenty-one thousand, two hundred thirty-two".