31341431112 has 32 divisors (see below), whose sum is σ = 78678710880. Its totient is φ = 10403792640.

The previous prime is 31341431101. The next prime is 31341431201. The reversal of 31341431112 is 21113414313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2703538 + ... + 2715105.

It is an arithmetic number, because the mean of its divisors is an integer number (2458709715).

Almost surely, 2^31341431112 is an apocalyptic number.

It is an amenable number.

31341431112 is an abundant number, since it is smaller than the sum of its proper divisors (47337279768).

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

31341431112 is a wasteful number, since it uses less digits than its factorization.

31341431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418893 (or 5418889 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 31341431112 its reverse (21113414313), we get a palindrome (52454845425).

The spelling of 31341431112 in words is "thirty-one billion, three hundred forty-one million, four hundred thirty-one thousand, one hundred twelve".