21431410001 has 8 divisors (see below), whose sum is σ = 21458607744. Its totient is φ = 21404232720.

The previous prime is 21431409977. The next prime is 21431410019. The reversal of 21431410001 is 10001413412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21431410001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21431410061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240440 + ... + 3247046.

It is an arithmetic number, because the mean of its divisors is an integer number (2682325968).

Almost surely, 2^21431410001 is an apocalyptic number.

It is an amenable number.

21431410001 is a deficient number, since it is larger than the sum of its proper divisors (27197743).

21431410001 is a wasteful number, since it uses less digits than its factorization.

21431410001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21431410001 its reverse (10001413412), we get a palindrome (31432823413).

The spelling of 21431410001 in words is "twenty-one billion, four hundred thirty-one million, four hundred ten thousand, one".