210313013231161 has 2 divisors, whose sum is σ = 210313013231162. Its totient is φ = 210313013231160.

The previous prime is 210313013231141. The next prime is 210313013231197. The reversal of 210313013231161 is 161132310313012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145997922361600 + 64315090869561 = 12082960^2 + 8019669^2 .

It is a cyclic number.

It is not a de Polignac number, because 210313013231161 - 2⁷ = 210313013231033 is a prime.

It is not a weakly prime, because it can be changed into another prime (210313013231141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105156506615580 + 105156506615581.

It is an arithmetic number, because the mean of its divisors is an integer number (105156506615581).

Almost surely, 2^{210313013231161} is an apocalyptic number.

It is an amenable number.

210313013231161 is a deficient number, since it is larger than the sum of its proper divisors (1).

210313013231161 is an equidigital number, since it uses as much as digits as its factorization.

210313013231161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 210313013231161 its reverse (161132310313012), we get a palindrome (371445323544173).

The spelling of 210313013231161 in words is "two hundred ten trillion, three hundred thirteen billion, thirteen million, two hundred thirty-one thousand, one hundred sixty-one".