103320111132305 has 4 divisors (see below), whose sum is σ = 123984133358772. Its totient is φ = 82656088905840.

The previous prime is 103320111132281. The next prime is 103320111132307. The reversal of 103320111132305 is 503231111023301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71758501739521 + 31561609392784 = 8471039^2 + 5617972^2 .

It is not a de Polignac number, because 103320111132305 - 2⁴² = 98922064621201 is a prime.

It is a super-2 number, since 2×103320111132305² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103320111132307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10332011113226 + ... + 10332011113235.

It is an arithmetic number, because the mean of its divisors is an integer number (30996033339693).

Almost surely, 2^{103320111132305} is an apocalyptic number.

It is an amenable number.

103320111132305 is a deficient number, since it is larger than the sum of its proper divisors (20664022226467).

103320111132305 is an equidigital number, since it uses as much as digits as its factorization.

103320111132305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20664022226466.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 103320111132305 its reverse (503231111023301), we get a palindrome (606551222155606).

The spelling of 103320111132305 in words is "one hundred three trillion, three hundred twenty billion, one hundred eleven million, one hundred thirty-two thousand, three hundred five".