31320322123312 has 10 divisors (see below), whose sum is σ = 60683124113948. Its totient is φ = 15660161061648.

The previous prime is 31320322123297. The next prime is 31320322123361. The reversal of 31320322123312 is 21332122302313.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978760066338 + ... + 978760066369.

Almost surely, 2^{31320322123312} is an apocalyptic number.

It is an amenable number.

31320322123312 is a deficient number, since it is larger than the sum of its proper divisors (29362801990636).

31320322123312 is a wasteful number, since it uses less digits than its factorization.

31320322123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957520132715 (or 1957520132709 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31320322123312 its reverse (21332122302313), we get a palindrome (52652444425625).

The spelling of 31320322123312 in words is "thirty-one trillion, three hundred twenty billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred twelve".