31320324324112 has 10 divisors (see below), whose sum is σ = 60683128377998. Its totient is φ = 15660162162048.

The previous prime is 31320324324101. The next prime is 31320324324119. The reversal of 31320324324112 is 21142342302313.

It can be written as a sum of positive squares in only one way, i.e., 28355880600576 + 2964443723536 = 5325024^2 + 1721756^2 .

It is not an unprimeable number, because it can be changed into a prime (31320324324119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978760135113 + ... + 978760135144.

Almost surely, 2^{31320324324112} is an apocalyptic number.

It is an amenable number.

31320324324112 is a deficient number, since it is larger than the sum of its proper divisors (29362804053886).

31320324324112 is a wasteful number, since it uses less digits than its factorization.

31320324324112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957520270265 (or 1957520270259 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31320324324112 its reverse (21142342302313), we get a palindrome (52462666626425).

The spelling of 31320324324112 in words is "thirty-one trillion, three hundred twenty billion, three hundred twenty-four million, three hundred twenty-four thousand, one hundred twelve".