21241311302 has 16 divisors (see below), whose sum is σ = 33251116032. Its totient is φ = 10157712840.

The previous prime is 21241311293. The next prime is 21241311331. The reversal of 21241311302 is 20311314212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477677 + ... + 520247.

It is an arithmetic number, because the mean of its divisors is an integer number (2078194752).

Almost surely, 2^21241311302 is an apocalyptic number.

21241311302 is a deficient number, since it is larger than the sum of its proper divisors (12009804730).

21241311302 is a wasteful number, since it uses less digits than its factorization.

21241311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53443.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21241311302 its reverse (20311314212), we get a palindrome (41552625514).

The spelling of 21241311302 in words is "twenty-one billion, two hundred forty-one million, three hundred eleven thousand, three hundred two".