31314231112 has 16 divisors (see below), whose sum is σ = 58720103100. Its totient is φ = 15655536960.

The previous prime is 31314231101. The next prime is 31314231121. The reversal of 31314231112 is 21113241313.

It can be written as a sum of positive squares in 2 ways, for example, as 31104965956 + 209265156 = 176366^2 + 14466^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110787 + ... + 273682.

Almost surely, 2^31314231112 is an apocalyptic number.

It is an amenable number.

31314231112 is a deficient number, since it is larger than the sum of its proper divisors (27405871988).

31314231112 is a wasteful number, since it uses less digits than its factorization.

31314231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394656 (or 394652 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 31314231112 its reverse (21113241313), we get a palindrome (52427472425).

The spelling of 31314231112 in words is "thirty-one billion, three hundred fourteen million, two hundred thirty-one thousand, one hundred twelve".