103240632305 has 4 divisors (see below), whose sum is σ = 123888758772. Its totient is φ = 82592505840.

The previous prime is 103240632281. The next prime is 103240632343. The reversal of 103240632305 is 503236042301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503236042301 = 83 ⋅6063084847.

It can be written as a sum of positive squares in 2 ways, for example, as 48520194529 + 54720437776 = 220273^2 + 233924^2 .

It is not a de Polignac number, because 103240632305 - 2⁸ = 103240632049 is a prime.

It is a super-2 number, since 2×103240632305² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10324063226 + ... + 10324063235.

It is an arithmetic number, because the mean of its divisors is an integer number (30972189693).

Almost surely, 2^103240632305 is an apocalyptic number.

It is an amenable number.

103240632305 is a deficient number, since it is larger than the sum of its proper divisors (20648126467).

103240632305 is an equidigital number, since it uses as much as digits as its factorization.

103240632305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648126466.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 103240632305 its reverse (503236042301), we get a palindrome (606476674606).

The spelling of 103240632305 in words is "one hundred three billion, two hundred forty million, six hundred thirty-two thousand, three hundred five".