103151044143421 has 4 divisors (see below), whose sum is σ = 103416213923100. Its totient is φ = 102885874363744.

The previous prime is 103151044143347. The next prime is 103151044143449. The reversal of 103151044143421 is 124341440151301.

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 23971550405625 + 79179493737796 = 4896075^2 + 8898286^2 .

It is a cyclic number.

It is not a de Polignac number, because 103151044143421 - 2⁷ = 103151044143293 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 (103151044143461) 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, 132584889256 + ... + 132584890033.

It is an arithmetic number, because the mean of its divisors is an integer number (25854053480775).

Almost surely, 2^{103151044143421} is an apocalyptic number.

It is an amenable number.

103151044143421 is a deficient number, since it is larger than the sum of its proper divisors (265169779679).

103151044143421 is an equidigital number, since it uses as much as digits as its factorization.

103151044143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265169779678.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 103151044143421 its reverse (124341440151301), we get a palindrome (227492484294722).

The spelling of 103151044143421 in words is "one hundred three trillion, one hundred fifty-one billion, forty-four million, one hundred forty-three thousand, four hundred twenty-one".