213531350051311 has 2 divisors, whose sum is σ = 213531350051312. Its totient is φ = 213531350051310.

The previous prime is 213531350051263. The next prime is 213531350051317. The reversal of 213531350051311 is 113150053135312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213531350051311 - 2¹³ = 213531350043119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213531350051317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106765675025655 + 106765675025656.

It is an arithmetic number, because the mean of its divisors is an integer number (106765675025656).

Almost surely, 2^{213531350051311} is an apocalyptic number.

213531350051311 is a deficient number, since it is larger than the sum of its proper divisors (1).

213531350051311 is an equidigital number, since it uses as much as digits as its factorization.

213531350051311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 34.

The spelling of 213531350051311 in words is "two hundred thirteen trillion, five hundred thirty-one billion, three hundred fifty million, fifty-one thousand, three hundred eleven".