210301401397 has 2 divisors, whose sum is σ = 210301401398. Its totient is φ = 210301401396.

The previous prime is 210301401367. The next prime is 210301401421. The reversal of 210301401397 is 793104103012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203284658641 + 7016742756 = 450871^2 + 83766^2 .

It is a cyclic number.

It is not a de Polignac number, because 210301401397 - 2⁷ = 210301401269 is a prime.

It is a super-2 number, since 2×210301401397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210301401367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105150700698 + 105150700699.

It is an arithmetic number, because the mean of its divisors is an integer number (105150700699).

Almost surely, 2^210301401397 is an apocalyptic number.

It is an amenable number.

210301401397 is a deficient number, since it is larger than the sum of its proper divisors (1).

210301401397 is an equidigital number, since it uses as much as digits as its factorization.

210301401397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 210301401397 in words is "two hundred ten billion, three hundred one million, four hundred one thousand, three hundred ninety-seven".