31404432242432 has 18 divisors (see below), whose sum is σ = 62686190921928. Its totient is φ = 15702216121088.

The previous prime is 31404432242429. The next prime is 31404432242461. The reversal of 31404432242432 is 23424223440413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61336781468 + ... + 61336781979.

Almost surely, 2^{31404432242432} is an apocalyptic number.

31404432242432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31404432242432 is a deficient number, since it is larger than the sum of its proper divisors (31281758679496).

31404432242432 is an equidigital number, since it uses as much as digits as its factorization.

31404432242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122673563463 (or 122673563449 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 31404432242432 its reverse (23424223440413), we get a palindrome (54828655682845).

The spelling of 31404432242432 in words is "thirty-one trillion, four hundred four billion, four hundred thirty-two million, two hundred forty-two thousand, four hundred thirty-two".