73113231211 has 2 divisors, whose sum is σ = 73113231212. Its totient is φ = 73113231210.

The previous prime is 73113231203. The next prime is 73113231227. The reversal of 73113231211 is 11213231137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73113231211 - 2³ = 73113231203 is a prime.

It is a super-2 number, since 2×73113231211² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73113231241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36556615605 + 36556615606.

It is an arithmetic number, because the mean of its divisors is an integer number (36556615606).

Almost surely, 2^73113231211 is an apocalyptic number.

73113231211 is a deficient number, since it is larger than the sum of its proper divisors (1).

73113231211 is an equidigital number, since it uses as much as digits as its factorization.

73113231211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

Adding to 73113231211 its reverse (11213231137), we get a palindrome (84326462348).

The spelling of 73113231211 in words is "seventy-three billion, one hundred thirteen million, two hundred thirty-one thousand, two hundred eleven".