211313103269 has 2 divisors, whose sum is σ = 211313103270. Its totient is φ = 211313103268.

The previous prime is 211313103251. The next prime is 211313103283. The reversal of 211313103269 is 962301313112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159770482369 + 51542620900 = 399713^2 + 227030^2 .

It is a cyclic number.

It is not a de Polignac number, because 211313103269 - 2³⁶ = 142593626533 is a prime.

It is a super-2 number, since 2×211313103269² (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 (211313103769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656551634 + 105656551635.

It is an arithmetic number, because the mean of its divisors is an integer number (105656551635).

Almost surely, 2^211313103269 is an apocalyptic number.

It is an amenable number.

211313103269 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313103269 is an equidigital number, since it uses as much as digits as its factorization.

211313103269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 211313103269 in words is "two hundred eleven billion, three hundred thirteen million, one hundred three thousand, two hundred sixty-nine".