31320002313 has 24 divisors (see below), whose sum is σ = 48482835648. Its totient is φ = 19432382112.

The previous prime is 31320002299. The next prime is 31320002317.

31320002313 is a `hidden beast` number, since 31 + 320 + 0 + 0 + 2 + 313 = 666.

31320002313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31320002313 - 2⁵ = 31320002281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31320002317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2036995 + ... + 2052312.

It is an arithmetic number, because the mean of its divisors is an integer number (2020118152).

Almost surely, 2^31320002313 is an apocalyptic number.

It is an amenable number.

31320002313 is a deficient number, since it is larger than the sum of its proper divisors (17162833335).

31320002313 is a wasteful number, since it uses less digits than its factorization.

31320002313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089373 (or 4089370 counting only the distinct ones).

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

It can be divided in two parts, 3132000 and 2313, that added together give a palindrome (3134313).

The spelling of 31320002313 in words is "thirty-one billion, three hundred twenty million, two thousand, three hundred thirteen".