31314225112 has 16 divisors (see below), whose sum is σ = 58748796360. Its totient is φ = 15647879424.

The previous prime is 31314225101. The next prime is 31314225113. The reversal of 31314225112 is 21152241313.

It is a super-2 number, since 2×31314225112² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314225113) by changing a digit.

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, 1139718 + ... + 1166869.

Almost surely, 2^31314225112 is an apocalyptic number.

It is an amenable number.

31314225112 is a deficient number, since it is larger than the sum of its proper divisors (27434571248).

31314225112 is a wasteful number, since it uses less digits than its factorization.

31314225112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308290 (or 2308286 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

Adding to 31314225112 its reverse (21152241313), we get a palindrome (52466466425).

The spelling of 31314225112 in words is "thirty-one billion, three hundred fourteen million, two hundred twenty-five thousand, one hundred twelve".