210242331331 has 2 divisors, whose sum is σ = 210242331332. Its totient is φ = 210242331330.

The previous prime is 210242331329. The next prime is 210242331347. The reversal of 210242331331 is 133133242012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210242331331 - 2¹ = 210242331329 is a prime.

It is a super-2 number, since 2×210242331331² (a number of 23 digits) contains 22 as substring.

Together with 210242331329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 210242331296 and 210242331305.

It is not a weakly prime, because it can be changed into another prime (210242331311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105121165665 + 105121165666.

It is an arithmetic number, because the mean of its divisors is an integer number (105121165666).

Almost surely, 2^210242331331 is an apocalyptic number.

210242331331 is a deficient number, since it is larger than the sum of its proper divisors (1).

210242331331 is an equidigital number, since it uses as much as digits as its factorization.

210242331331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 210242331331 its reverse (133133242012), we get a palindrome (343375573343).

The spelling of 210242331331 in words is "two hundred ten billion, two hundred forty-two million, three hundred thirty-one thousand, three hundred thirty-one".