213301403242331 has 2 divisors, whose sum is σ = 213301403242332. Its totient is φ = 213301403242330.

The previous prime is 213301403242229. The next prime is 213301403242351. The reversal of 213301403242331 is 133242304103312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213301403242331 - 2²² = 213301399048027 is a prime.

It is a super-2 number, since 2×213301403242331² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213301403242351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106650701621165 + 106650701621166.

It is an arithmetic number, because the mean of its divisors is an integer number (106650701621166).

Almost surely, 2^{213301403242331} is an apocalyptic number.

213301403242331 is a deficient number, since it is larger than the sum of its proper divisors (1).

213301403242331 is an equidigital number, since it uses as much as digits as its factorization.

213301403242331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 213301403242331 its reverse (133242304103312), we get a palindrome (346543707345643).

The spelling of 213301403242331 in words is "two hundred thirteen trillion, three hundred one billion, four hundred three million, two hundred forty-two thousand, three hundred thirty-one".