320310113111 has 12 divisors (see below), whose sum is σ = 334995353448. Its totient is φ = 306243396624.

The previous prime is 320310113107. The next prime is 320310113129. The reversal of 320310113111 is 111311013023.

It is not a de Polignac number, because 320310113111 - 2² = 320310113107 is a prime.

It is a super-2 number, since 2×320310113111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320310113111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320310113141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1027961 + ... + 1302813.

It is an arithmetic number, because the mean of its divisors is an integer number (27916279454).

Almost surely, 2^320310113111 is an apocalyptic number.

320310113111 is a deficient number, since it is larger than the sum of its proper divisors (14685240337).

320310113111 is a wasteful number, since it uses less digits than its factorization.

320310113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277102 (or 277079 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 320310113111 its reverse (111311013023), we get a palindrome (431621126134).

The spelling of 320310113111 in words is "three hundred twenty billion, three hundred ten million, one hundred thirteen thousand, one hundred eleven".