103405225013 has 4 divisors (see below), whose sum is σ = 103419379980. Its totient is φ = 103391070048.

The previous prime is 103405224973. The next prime is 103405225039. The reversal of 103405225013 is 310522504301.

It is a happy number.

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 68936703364 + 34468521649 = 262558^2 + 185657^2 .

It is a cyclic number.

It is not a de Polignac number, because 103405225013 - 2²⁴ = 103388447797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103405221013) 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, 7066520 + ... + 7081137.

It is an arithmetic number, because the mean of its divisors is an integer number (25854844995).

Almost surely, 2^103405225013 is an apocalyptic number.

It is an amenable number.

103405225013 is a deficient number, since it is larger than the sum of its proper divisors (14154967).

103405225013 is an equidigital number, since it uses as much as digits as its factorization.

103405225013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14154966.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 103405225013 its reverse (310522504301), we get a palindrome (413927729314).

The spelling of 103405225013 in words is "one hundred three billion, four hundred five million, two hundred twenty-five thousand, thirteen".