31431113204100 has 36 divisors (see below), whose sum is σ = 90940687538064. Its totient is φ = 8381630187680.

The previous prime is 31431113204089. The next prime is 31431113204123. The reversal of 31431113204100 is 140231113413.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 52385188374 + ... + 52385188973.

Almost surely, 2^{31431113204100} is an apocalyptic number.

31431113204100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31431113204100 is an abundant number, since it is smaller than the sum of its proper divisors (59509574333964).

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

31431113204100 is a wasteful number, since it uses less digits than its factorization.

31431113204100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104770377364 (or 104770377357 counting only the distinct ones).

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

Adding to 31431113204100 its reverse (140231113413), we get a palindrome (31571344317513).

The spelling of 31431113204100 in words is "thirty-one trillion, four hundred thirty-one billion, one hundred thirteen million, two hundred four thousand, one hundred".