31320010323 has 24 divisors (see below), whose sum is σ = 52678405728. Its totient is φ = 17559464832.

The previous prime is 31320010279. The next prime is 31320010327. The reversal of 31320010323 is 32301002313.

31320010323 is a `hidden beast` number, since 313 + 20 + 0 + 10 + 323 = 666.

It is not a de Polignac number, because 31320010323 - 2¹⁰ = 31320009299 is a prime.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 31320010296 and 31320010305.

It is not an unprimeable number, because it can be changed into a prime (31320010327) 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 23 ways as a sum of consecutive naturals, for example, 4686690 + ... + 4693367.

It is an arithmetic number, because the mean of its divisors is an integer number (2194933572).

Almost surely, 2^31320010323 is an apocalyptic number.

31320010323 is a deficient number, since it is larger than the sum of its proper divisors (21358395405).

31320010323 is a wasteful number, since it uses less digits than its factorization.

31320010323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380123 (or 9380120 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31320010323 its reverse (32301002313), we get a palindrome (63621012636).

The spelling of 31320010323 in words is "thirty-one billion, three hundred twenty million, ten thousand, three hundred twenty-three".