103204143061 has 4 divisors (see below), whose sum is σ = 105721317324. Its totient is φ = 100686968800.

The previous prime is 103204143059. The next prime is 103204143079. The reversal of 103204143061 is 160341402301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160341402301 = 4801 ⋅33397501.

It can be written as a sum of positive squares in 2 ways, for example, as 21939238161 + 81264904900 = 148119^2 + 285070^2 .

It is a cyclic number.

It is not a de Polignac number, because 103204143061 - 2¹ = 103204143059 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 (103204143001) 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, 1258587070 + ... + 1258587151.

It is an arithmetic number, because the mean of its divisors is an integer number (26430329331).

Almost surely, 2^103204143061 is an apocalyptic number.

It is an amenable number.

103204143061 is a deficient number, since it is larger than the sum of its proper divisors (2517174263).

103204143061 is an equidigital number, since it uses as much as digits as its factorization.

103204143061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517174262.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 103204143061 its reverse (160341402301), we get a palindrome (263545545362).

The spelling of 103204143061 in words is "one hundred three billion, two hundred four million, one hundred forty-three thousand, sixty-one".