31320310211303 has 8 divisors (see below), whose sum is σ = 31352788143600. Its totient is φ = 31287836455488.

The previous prime is 31320310211251. The next prime is 31320310211339. The reversal of 31320310211303 is 30311201302313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31320310211303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320310213303) 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, 14075468 + ... + 16148046.

It is an arithmetic number, because the mean of its divisors is an integer number (3919098517950).

Almost surely, 2^{31320310211303} is an apocalyptic number.

31320310211303 is a deficient number, since it is larger than the sum of its proper divisors (32477932297).

31320310211303 is a wasteful number, since it uses less digits than its factorization.

31320310211303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088241.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31320310211303 its reverse (30311201302313), we get a palindrome (61631511513616).

The spelling of 31320310211303 in words is "thirty-one trillion, three hundred twenty billion, three hundred ten million, two hundred eleven thousand, three hundred three".