320185514113 has 12 divisors (see below), whose sum is σ = 331964874540. Its totient is φ = 308811109376.

The previous prime is 320185514087. The next prime is 320185514141. The reversal of 320185514113 is 311415581023.

It can be written as a sum of positive squares in 6 ways, for example, as 107943788304 + 212241725809 = 328548^2 + 460697^2 .

It is not a de Polignac number, because 320185514113 - 2³³ = 311595579521 is a prime.

It is a super-2 number, since 2×320185514113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320185514213) 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, 576381 + ... + 986197.

It is an arithmetic number, because the mean of its divisors is an integer number (27663739545).

Almost surely, 2^320185514113 is an apocalyptic number.

It is an amenable number.

320185514113 is a deficient number, since it is larger than the sum of its proper divisors (11779360427).

320185514113 is an equidigital number, since it uses as much as digits as its factorization.

320185514113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410804 (or 410775 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 320185514113 in words is "three hundred twenty billion, one hundred eighty-five million, five hundred fourteen thousand, one hundred thirteen".