31430334112404 has 48 divisors (see below), whose sum is σ = 73682585208960. Its totient is φ = 10427572592640.

The previous prime is 31430334112403. The next prime is 31430334112433. The reversal of 31430334112404 is 40421143303413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430334112403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3745309 + ... + 8768580.

It is an arithmetic number, because the mean of its divisors is an integer number (1535053858520).

Almost surely, 2^{31430334112404} is an apocalyptic number.

It is an amenable number.

31430334112404 is an abundant number, since it is smaller than the sum of its proper divisors (42252251096556).

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

31430334112404 is a wasteful number, since it uses less digits than its factorization.

31430334112404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12514880 (or 12514878 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 31430334112404 its reverse (40421143303413), we get a palindrome (71851477415817).

The spelling of 31430334112404 in words is "thirty-one trillion, four hundred thirty billion, three hundred thirty-four million, one hundred twelve thousand, four hundred four".