213332331001 has 4 divisors (see below), whose sum is σ = 214005303972. Its totient is φ = 212659358032.

The previous prime is 213332330983. The next prime is 213332331029. The reversal of 213332331001 is 100133233312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8507295225 + 204825035776 = 92235^2 + 452576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213332331001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213332331601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336486010 + ... + 336486643.

It is an arithmetic number, because the mean of its divisors is an integer number (53501325993).

Almost surely, 2^213332331001 is an apocalyptic number.

It is an amenable number.

213332331001 is a deficient number, since it is larger than the sum of its proper divisors (672972971).

213332331001 is an equidigital number, since it uses as much as digits as its factorization.

213332331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672972970.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 213332331001 its reverse (100133233312), we get a palindrome (313465564313).

The spelling of 213332331001 in words is "two hundred thirteen billion, three hundred thirty-two million, three hundred thirty-one thousand, one".