31112341433012 has 24 divisors (see below), whose sum is σ = 62225087527680. Its totient is φ = 13333773900960.

The previous prime is 31112341433009. The next prime is 31112341433029. The reversal of 31112341433012 is 21033414321113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866837 + ... + 7935747.

It is an arithmetic number, because the mean of its divisors is an integer number (2592711980320).

Almost surely, 2^{31112341433012} is an apocalyptic number.

It is an amenable number.

31112341433012 is an abundant number, since it is smaller than the sum of its proper divisors (31112746094668).

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

31112341433012 is a wasteful number, since it uses less digits than its factorization.

31112341433012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226111 (or 7226109 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31112341433012 its reverse (21033414321113), we get a palindrome (52145755754125).

The spelling of 31112341433012 in words is "thirty-one trillion, one hundred twelve billion, three hundred forty-one million, four hundred thirty-three thousand, twelve".