31320302120323 has 8 divisors (see below), whose sum is σ = 33217825771296. Its totient is φ = 29467426084800.

The previous prime is 31320302120321. The next prime is 31320302120377. The reversal of 31320302120323 is 32302120302313.

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 31320302120323 - 2¹ = 31320302120321 is a prime.

It is a super-2 number, since 2×31320302120323² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31320302120321) 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, 11161902418 + ... + 11161905223.

It is an arithmetic number, because the mean of its divisors is an integer number (4152228221412).

Almost surely, 2^{31320302120323} is an apocalyptic number.

31320302120323 is a deficient number, since it is larger than the sum of its proper divisors (1897523650973).

31320302120323 is a wasteful number, since it uses less digits than its factorization.

31320302120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22323807725.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31320302120323 its reverse (32302120302313), we get a palindrome (63622422422636).

The spelling of 31320302120323 in words is "thirty-one trillion, three hundred twenty billion, three hundred two million, one hundred twenty thousand, three hundred twenty-three".