21131314041 has 32 divisors (see below), whose sum is σ = 30045945600. Its totient is φ = 13164318720.

The previous prime is 21131314033. The next prime is 21131314091. The reversal of 21131314041 is 14041313112.

It is not a de Polignac number, because 21131314041 - 2³ = 21131314033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21131313999 and 21131314017.

It is not an unprimeable number, because it can be changed into a prime (21131314091) 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, 4410075 + ... + 4414863.

It is an arithmetic number, because the mean of its divisors is an integer number (938935800).

Almost surely, 2^21131314041 is an apocalyptic number.

It is an amenable number.

21131314041 is a deficient number, since it is larger than the sum of its proper divisors (8914631559).

21131314041 is a wasteful number, since it uses less digits than its factorization.

21131314041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409.

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

Adding to 21131314041 its reverse (14041313112), we get a palindrome (35172627153).

The spelling of 21131314041 in words is "twenty-one billion, one hundred thirty-one million, three hundred fourteen thousand, forty-one".