31432111000000 has 98 divisors (see below), whose sum is σ = 77965373592944. Its totient is φ = 12572844000000.

The previous prime is 31432110999959. The next prime is 31432111000051. The reversal of 31432111000000 is 11123413.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 14716056 + ... + 16716055.

Almost surely, 2^{31432111000000} is an apocalyptic number.

It is an amenable number.

31432111000000 is an abundant number, since it is smaller than the sum of its proper divisors (46533262592944).

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

31432111000000 is an frugal number, since it uses more digits than its factorization.

31432111000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31432153 (or 31432118 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31432111000000 its reverse (11123413), we get a palindrome (31432122123413).

The spelling of 31432111000000 in words is "thirty-one trillion, four hundred thirty-two billion, one hundred eleven million", and thus it is an aban number.