731140541111 has 2 divisors, whose sum is σ = 731140541112. Its totient is φ = 731140541110.

The previous prime is 731140541081. The next prime is 731140541149. The reversal of 731140541111 is 111145041137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 731140541111 - 2¹⁰ = 731140540087 is a prime.

It is a super-2 number, since 2×731140541111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731140540111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365570270555 + 365570270556.

It is an arithmetic number, because the mean of its divisors is an integer number (365570270556).

Almost surely, 2^731140541111 is an apocalyptic number.

731140541111 is a deficient number, since it is larger than the sum of its proper divisors (1).

731140541111 is an equidigital number, since it uses as much as digits as its factorization.

731140541111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 29.

Adding to 731140541111 its reverse (111145041137), we get a palindrome (842285582248).

The spelling of 731140541111 in words is "seven hundred thirty-one billion, one hundred forty million, five hundred forty-one thousand, one hundred eleven".