31323320302105 has 48 divisors (see below), whose sum is σ = 43739229636864. Its totient is φ = 21445484037120.

The previous prime is 31323320301997. The next prime is 31323320302159. The reversal of 31323320302105 is 50120302332313.

It is not a de Polignac number, because 31323320302105 - 2¹¹ = 31323320300057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15310161 + ... + 17235070.

It is an arithmetic number, because the mean of its divisors is an integer number (911233950768).

Almost surely, 2^{31323320302105} is an apocalyptic number.

It is an amenable number.

31323320302105 is a deficient number, since it is larger than the sum of its proper divisors (12415909334759).

31323320302105 is a wasteful number, since it uses less digits than its factorization.

31323320302105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32545346 (or 32545333 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 31323320302105 its reverse (50120302332313), we get a palindrome (81443622634418).

The spelling of 31323320302105 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred twenty million, three hundred two thousand, one hundred five".