31320303013 has 8 divisors (see below), whose sum is σ = 31676486400. Its totient is φ = 30964214688.

The previous prime is 31320303011. The next prime is 31320303037. The reversal of 31320303013 is 31030302313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31320303013 - 2¹ = 31320303011 is a prime.

It is a super-2 number, since 2×31320303013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320303011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799948 + ... + 838186.

It is an arithmetic number, because the mean of its divisors is an integer number (3959560800).

Almost surely, 2^31320303013 is an apocalyptic number.

It is an amenable number.

31320303013 is a deficient number, since it is larger than the sum of its proper divisors (356183387).

31320303013 is an equidigital number, since it uses as much as digits as its factorization.

31320303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47531.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 31320303013 its reverse (31030302313), we get a palindrome (62350605326).

The spelling of 31320303013 in words is "thirty-one billion, three hundred twenty million, three hundred three thousand, thirteen".