21130331535301 has 8 divisors (see below), whose sum is σ = 21148712539904. Its totient is φ = 21111956979120.

The previous prime is 21130331535251. The next prime is 21130331535337. The reversal of 21130331535301 is 10353513303112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21130331535301 - 2¹¹ = 21130331533253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130331535701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956016 + ... + 8174518.

It is an arithmetic number, because the mean of its divisors is an integer number (2643589067488).

Almost surely, 2^{21130331535301} is an apocalyptic number.

It is an amenable number.

21130331535301 is a deficient number, since it is larger than the sum of its proper divisors (18381004603).

21130331535301 is a wasteful number, since it uses less digits than its factorization.

21130331535301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224211.

The product of its (nonzero) digits is 12150, while the sum is 31.

Adding to 21130331535301 its reverse (10353513303112), we get a palindrome (31483844838413).

The spelling of 21130331535301 in words is "twenty-one trillion, one hundred thirty billion, three hundred thirty-one million, five hundred thirty-five thousand, three hundred one".