21313333232001 has 12 divisors (see below), whose sum is σ = 30790761094912. Its totient is φ = 14206657137336.

The previous prime is 21313333231979. The next prime is 21313333232011. The reversal of 21313333232001 is 10023233331312.

21313333232001 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 3 + 3 + 332 + 320 + 0 + 1 = 666.

It is not a de Polignac number, because 21313333232001 - 2¹⁴ = 21313333215617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21313333232011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185913181 + ... + 186027786.

Almost surely, 2^{21313333232001} is an apocalyptic number.

It is an amenable number.

21313333232001 is a deficient number, since it is larger than the sum of its proper divisors (9477427862911).

21313333232001 is a wasteful number, since it uses less digits than its factorization.

21313333232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371947340 (or 371947337 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 21313333232001 its reverse (10023233331312), we get a palindrome (31336566563313).

The spelling of 21313333232001 in words is "twenty-one trillion, three hundred thirteen billion, three hundred thirty-three million, two hundred thirty-two thousand, one".