31323111311303 has 8 divisors (see below), whose sum is σ = 36404584575360. Its totient is φ = 26393323816440.

The previous prime is 31323111311299. The next prime is 31323111311311. The reversal of 31323111311303 is 30311311132313.

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

It is not a de Polignac number, because 31323111311303 - 2² = 31323111311299 is a prime.

It is a super-2 number, since 2×31323111311303² (a number of 28 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 (31323111311333) 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, 37921441853 + ... + 37921442678.

It is an arithmetic number, because the mean of its divisors is an integer number (4550573071920).

Almost surely, 2^{31323111311303} is an apocalyptic number.

31323111311303 is a deficient number, since it is larger than the sum of its proper divisors (5081473264057).

31323111311303 is an equidigital number, since it uses as much as digits as its factorization.

31323111311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75842884597.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 31323111311303 its reverse (30311311132313), we get a palindrome (61634422443616).

The spelling of 31323111311303 in words is "thirty-one trillion, three hundred twenty-three billion, one hundred eleven million, three hundred eleven thousand, three hundred three".