31320483 has 4 divisors (see below), whose sum is σ = 41760648. Its totient is φ = 20880320.

The previous prime is 31320473. The next prime is 31320491. The reversal of 31320483 is 38402313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38402313 = 3 ⋅12800771.

It is a cyclic number.

It is not a de Polignac number, because 31320483 - 2⁵ = 31320451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31320413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5220078 + ... + 5220083.

It is an arithmetic number, because the mean of its divisors is an integer number (10440162).

Almost surely, 2^31320483 is an apocalyptic number.

31320483 is a deficient number, since it is larger than the sum of its proper divisors (10440165).

31320483 is a wasteful number, since it uses less digits than its factorization.

31320483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10440164.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 31320483 is about 5596.4705842164. The cubic root of 31320483 is about 315.2168927007.

Adding to 31320483 its reverse (38402313), we get a palindrome (69722796).

The spelling of 31320483 in words is "thirty-one million, three hundred twenty thousand, four hundred eighty-three".