21413031411 has 16 divisors (see below), whose sum is σ = 30873360384. Its totient is φ = 13149761664.

The previous prime is 21413031383. The next prime is 21413031413. The reversal of 21413031411 is 11413031412.

It is not a de Polignac number, because 21413031411 - 2⁶ = 21413031347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21413031413) 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, 4464235 + ... + 4469028.

It is an arithmetic number, because the mean of its divisors is an integer number (1929585024).

Almost surely, 2^21413031411 is an apocalyptic number.

21413031411 is a deficient number, since it is larger than the sum of its proper divisors (9460328973).

21413031411 is a wasteful number, since it uses less digits than its factorization.

21413031411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8933330.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21413031411 its reverse (11413031412), we get a palindrome (32826062823).

Subtracting from 21413031411 its reverse (11413031412), we obtain a palindrome (9999999999).

The spelling of 21413031411 in words is "twenty-one billion, four hundred thirteen million, thirty-one thousand, four hundred eleven".