21434032301 has 16 divisors (see below), whose sum is σ = 23492851200. Its totient is φ = 19393710000.

The previous prime is 21434032283. The next prime is 21434032331. The reversal of 21434032301 is 10323043412.

It is a cyclic number.

It is not a de Polignac number, because 21434032301 - 2¹⁴ = 21434015917 is a prime.

It is a super-2 number, since 2×21434032301² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21434032331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6456320 + ... + 6459638.

It is an arithmetic number, because the mean of its divisors is an integer number (1468303200).

Almost surely, 2^21434032301 is an apocalyptic number.

It is an amenable number.

21434032301 is a deficient number, since it is larger than the sum of its proper divisors (2058818899).

21434032301 is a wasteful number, since it uses less digits than its factorization.

21434032301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21434032301 its reverse (10323043412), we get a palindrome (31757075713).

The spelling of 21434032301 in words is "twenty-one billion, four hundred thirty-four million, thirty-two thousand, three hundred one".