320111130102 has 32 divisors (see below), whose sum is σ = 649042737792. Its totient is φ = 105233857344.

The previous prime is 320111129981. The next prime is 320111130107. The reversal of 320111130102 is 201031111023.

It is a happy number.

It is a super-2 number, since 2×320111130102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320111130107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8683353 + ... + 8720139.

It is an arithmetic number, because the mean of its divisors is an integer number (20282585556).

Almost surely, 2^320111130102 is an apocalyptic number.

320111130102 is an abundant number, since it is smaller than the sum of its proper divisors (328931607690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320111130102 is a wasteful number, since it uses less digits than its factorization.

320111130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56732.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 320111130102 its reverse (201031111023), we get a palindrome (521142241125).

The spelling of 320111130102 in words is "three hundred twenty billion, one hundred eleven million, one hundred thirty thousand, one hundred two".