21411414031 has 16 divisors (see below), whose sum is σ = 25933602816. Its totient is φ = 17257078656.

The previous prime is 21411414001. The next prime is 21411414071. The reversal of 21411414031 is 13041411412.

It is a cyclic number.

It is not a de Polignac number, because 21411414031 - 2⁵ = 21411413999 is a prime.

It is a super-2 number, since 2×21411414031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21411413993 and 21411414011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411414001) 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, 46590 + ... + 212116.

It is an arithmetic number, because the mean of its divisors is an integer number (1620850176).

Almost surely, 2^21411414031 is an apocalyptic number.

21411414031 is a deficient number, since it is larger than the sum of its proper divisors (4522188785).

21411414031 is a wasteful number, since it uses less digits than its factorization.

21411414031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166638.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21411414031 its reverse (13041411412), we get a palindrome (34452825443).

The spelling of 21411414031 in words is "twenty-one billion, four hundred eleven million, four hundred fourteen thousand, thirty-one".