103434113421 has 12 divisors (see below), whose sum is σ = 158193350172. Its totient is φ = 64899835776.

The previous prime is 103434113407. The next prime is 103434113437. The reversal of 103434113421 is 124311434301.

It can be written as a sum of positive squares in 2 ways, for example, as 43415973225 + 60018140196 = 208365^2 + 244986^2 .

It is not a de Polignac number, because 103434113421 - 2⁵ = 103434113389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103434113401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338019826 + ... + 338020131.

It is an arithmetic number, because the mean of its divisors is an integer number (13182779181).

Almost surely, 2^103434113421 is an apocalyptic number.

It is an amenable number.

103434113421 is a deficient number, since it is larger than the sum of its proper divisors (54759236751).

103434113421 is a wasteful number, since it uses less digits than its factorization.

103434113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676039980 (or 676039977 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 103434113421 its reverse (124311434301), we get a palindrome (227745547722).

The spelling of 103434113421 in words is "one hundred three billion, four hundred thirty-four million, one hundred thirteen thousand, four hundred twenty-one".