31324055112 has 48 divisors (see below), whose sum is σ = 96955410240. Its totient is φ = 8949729888.

The previous prime is 31324055089. The next prime is 31324055117. The reversal of 31324055112 is 21155042313.

31324055112 is a `hidden beast` number, since 31 + 32 + 40 + 551 + 12 = 666.

It is a super-2 number, since 2×31324055112² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31324055117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31074948 + ... + 31075955.

It is an arithmetic number, because the mean of its divisors is an integer number (2019904380).

Almost surely, 2^31324055112 is an apocalyptic number.

It is an amenable number.

31324055112 is an abundant number, since it is smaller than the sum of its proper divisors (65631355128).

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

31324055112 is a wasteful number, since it uses less digits than its factorization.

31324055112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62150922 (or 62150915 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 31324055112 its reverse (21155042313), we get a palindrome (52479097425).

The spelling of 31324055112 in words is "thirty-one billion, three hundred twenty-four million, fifty-five thousand, one hundred twelve".