21411342414231 has 32 divisors (see below), whose sum is σ = 36319266240000. Its totient is φ = 11122775274240.

The previous prime is 21411342414229. The next prime is 21411342414247. The reversal of 21411342414231 is 13241424311412.

It is not a de Polignac number, because 21411342414231 - 2¹ = 21411342414229 is a prime.

It is a super-2 number, since 2×21411342414231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 21411342414192 and 21411342414201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411342414031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 945802906 + ... + 945825543.

It is an arithmetic number, because the mean of its divisors is an integer number (1134977070000).

Almost surely, 2^{21411342414231} is an apocalyptic number.

21411342414231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21411342414231 is a deficient number, since it is larger than the sum of its proper divisors (14907923825769).

21411342414231 is a wasteful number, since it uses less digits than its factorization.

21411342414231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891628484 (or 1891628470 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

Adding to 21411342414231 its reverse (13241424311412), we get a palindrome (34652766725643).

The spelling of 21411342414231 in words is "twenty-one trillion, four hundred eleven billion, three hundred forty-two million, four hundred fourteen thousand, two hundred thirty-one".