41003431421 has 4 divisors (see below), whose sum is σ = 41264599932. Its totient is φ = 40742262912.

The previous prime is 41003431411. The next prime is 41003431423. The reversal of 41003431421 is 12413430014.

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 5107960900 + 35895470521 = 71470^2 + 189461^2 .

It is a cyclic number.

It is not a de Polignac number, because 41003431421 - 2²² = 40999237117 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 (41003431423) 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, 130584020 + ... + 130584333.

It is an arithmetic number, because the mean of its divisors is an integer number (10316149983).

Almost surely, 2^41003431421 is an apocalyptic number.

It is an amenable number.

41003431421 is a deficient number, since it is larger than the sum of its proper divisors (261168511).

41003431421 is a wasteful number, since it uses less digits than its factorization.

41003431421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261168510.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 41003431421 its reverse (12413430014), we get a palindrome (53416861435).

The spelling of 41003431421 in words is "forty-one billion, three million, four hundred thirty-one thousand, four hundred twenty-one".