213202131331001 has 2 divisors, whose sum is σ = 213202131331002. Its totient is φ = 213202131331000.

The previous prime is 213202131330971. The next prime is 213202131331009. The reversal of 213202131331001 is 100133131202312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168968671452025 + 44233459878976 = 12998795^2 + 6650824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213202131331001 is a prime.

It is not a weakly prime, because it can be changed into another prime (213202131331009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106601065665500 + 106601065665501.

It is an arithmetic number, because the mean of its divisors is an integer number (106601065665501).

Almost surely, 2^{213202131331001} is an apocalyptic number.

It is an amenable number.

213202131331001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213202131331001 is an equidigital number, since it uses as much as digits as its factorization.

213202131331001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 213202131331001 its reverse (100133131202312), we get a palindrome (313335262533313).

The spelling of 213202131331001 in words is "two hundred thirteen trillion, two hundred two billion, one hundred thirty-one million, three hundred thirty-one thousand, one".