4431312113100 has 72 divisors (see below), whose sum is σ = 12945741419520. Its totient is φ = 1170210569280.

The previous prime is 4431312113087. The next prime is 4431312113119. The reversal of 4431312113100 is 13112131344.

It is a happy number.

It is a super-2 number, since 2×4431312113100² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71673180 + ... + 71734979.

It is an arithmetic number, because the mean of its divisors is an integer number (179801964160).

Almost surely, 2^{4431312113100} is an apocalyptic number.

It is an amenable number.

4431312113100 is an abundant number, since it is smaller than the sum of its proper divisors (8514429306420).

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

4431312113100 is a wasteful number, since it uses less digits than its factorization.

4431312113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143408279 (or 143408272 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 4431312113100 its reverse (13112131344), we get a palindrome (4444424244444).

The spelling of 4431312113100 in words is "four trillion, four hundred thirty-one billion, three hundred twelve million, one hundred thirteen thousand, one hundred".