41021421431 has 4 divisors (see below), whose sum is σ = 41041964952. Its totient is φ = 41000877912.

The previous prime is 41021421361. The next prime is 41021421433. The reversal of 41021421431 is 13412412014.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41021421431 - 2³⁴ = 23841552247 is a prime.

It is a super-2 number, since 2×41021421431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41021421397 and 41021421406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41021421433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10268765 + ... + 10272758.

It is an arithmetic number, because the mean of its divisors is an integer number (10260491238).

Almost surely, 2^41021421431 is an apocalyptic number.

41021421431 is a deficient number, since it is larger than the sum of its proper divisors (20543521).

41021421431 is a wasteful number, since it uses less digits than its factorization.

41021421431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20543520.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 41021421431 its reverse (13412412014), we get a palindrome (54433833445).

The spelling of 41021421431 in words is "forty-one billion, twenty-one million, four hundred twenty-one thousand, four hundred thirty-one".