213506232011363 has 2 divisors, whose sum is σ = 213506232011364. Its totient is φ = 213506232011362.

The previous prime is 213506232011329. The next prime is 213506232011411. The reversal of 213506232011363 is 363110232605312.

213506232011363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213506232011363 - 2²² = 213506227817059 is a prime.

It is a super-2 number, since 2×213506232011363² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213506232011323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106753116005681 + 106753116005682.

It is an arithmetic number, because the mean of its divisors is an integer number (106753116005682).

Almost surely, 2^{213506232011363} is an apocalyptic number.

213506232011363 is a deficient number, since it is larger than the sum of its proper divisors (1).

213506232011363 is an equidigital number, since it uses as much as digits as its factorization.

213506232011363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 213506232011363 its reverse (363110232605312), we get a palindrome (576616464616675).

The spelling of 213506232011363 in words is "two hundred thirteen trillion, five hundred six billion, two hundred thirty-two million, eleven thousand, three hundred sixty-three".