31141423312 has 20 divisors (see below), whose sum is σ = 60427808836. Its totient is φ = 15547150080.

The previous prime is 31141423277. The next prime is 31141423373. The reversal of 31141423312 is 21332414113.

It can be written as a sum of positive squares in 2 ways, for example, as 26678648896 + 4462774416 = 163336^2 + 66804^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1461693 + ... + 1482844.

Almost surely, 2^31141423312 is an apocalyptic number.

It is an amenable number.

31141423312 is a deficient number, since it is larger than the sum of its proper divisors (29286385524).

31141423312 is a wasteful number, since it uses less digits than its factorization.

31141423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945206 (or 2945200 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 31141423312 its reverse (21332414113), we get a palindrome (52473837425).

The spelling of 31141423312 in words is "thirty-one billion, one hundred forty-one million, four hundred twenty-three thousand, three hundred twelve".