21302401401431 has 8 divisors (see below), whose sum is σ = 21341912108400. Its totient is φ = 21262916684800.

The previous prime is 21302401401373. The next prime is 21302401401439. The reversal of 21302401401431 is 13410410420312.

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

It is a cyclic number.

It is not a de Polignac number, because 21302401401431 - 2³⁸ = 21027523494487 is a prime.

It is a super-2 number, since 2×21302401401431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21302401401431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302401401439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4856426 + ... + 8135703.

It is an arithmetic number, because the mean of its divisors is an integer number (2667739013550).

Almost surely, 2^{21302401401431} is an apocalyptic number.

21302401401431 is a deficient number, since it is larger than the sum of its proper divisors (39510706969).

21302401401431 is a wasteful number, since it uses less digits than its factorization.

21302401401431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995169.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21302401401431 its reverse (13410410420312), we get a palindrome (34712811821743).

The spelling of 21302401401431 in words is "twenty-one trillion, three hundred two billion, four hundred one million, four hundred one thousand, four hundred thirty-one".