210034315409381 has 2 divisors, whose sum is σ = 210034315409382. Its totient is φ = 210034315409380.

The previous prime is 210034315409351. The next prime is 210034315409383. The reversal of 210034315409381 is 183904513430012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167956649316481 + 42077666092900 = 12959809^2 + 6486730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210034315409381 is a prime.

It is a super-2 number, since 2×210034315409381² (a number of 29 digits) contains 22 as substring.

Together with 210034315409383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210034315409383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105017157704690 + 105017157704691.

It is an arithmetic number, because the mean of its divisors is an integer number (105017157704691).

Almost surely, 2^{210034315409381} is an apocalyptic number.

It is an amenable number.

210034315409381 is a deficient number, since it is larger than the sum of its proper divisors (1).

210034315409381 is an equidigital number, since it uses as much as digits as its factorization.

210034315409381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

Adding to 210034315409381 its reverse (183904513430012), we get a palindrome (393938828839393).

The spelling of 210034315409381 in words is "two hundred ten trillion, thirty-four billion, three hundred fifteen million, four hundred nine thousand, three hundred eighty-one".