31543012414412 has 24 divisors (see below), whose sum is σ = 55525168604976. Its totient is φ = 15678793064448.

The previous prime is 31543012414411. The next prime is 31543012414427. The reversal of 31543012414412 is 21441421034513.

It is not an unprimeable number, because it can be changed into a prime (31543012414411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13214693 + ... + 15417980.

It is an arithmetic number, because the mean of its divisors is an integer number (2313548691874).

Almost surely, 2^{31543012414412} is an apocalyptic number.

It is an amenable number.

31543012414412 is a deficient number, since it is larger than the sum of its proper divisors (23982156190564).

31543012414412 is a wasteful number, since it uses less digits than its factorization.

31543012414412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28634297 (or 28634295 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 31543012414412 its reverse (21441421034513), we get a palindrome (52984433448925).

The spelling of 31543012414412 in words is "thirty-one trillion, five hundred forty-three billion, twelve million, four hundred fourteen thousand, four hundred twelve".