7205112231 has 16 divisors (see below), whose sum is σ = 9869436000. Its totient is φ = 4672176768.

The previous prime is 7205112221. The next prime is 7205112251. The reversal of 7205112231 is 1322115027.

7205112231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7205112231 - 2⁵ = 7205112199 is a prime.

It is a super-2 number, since 2×7205112231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7205112221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461745 + ... + 477093.

It is an arithmetic number, because the mean of its divisors is an integer number (616839750).

Almost surely, 2^7205112231 is an apocalyptic number.

7205112231 is a deficient number, since it is larger than the sum of its proper divisors (2664323769).

7205112231 is a wasteful number, since it uses less digits than its factorization.

7205112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19618.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 7205112231 is about 84882.9325070712. The cubic root of 7205112231 is about 1931.4356800473.

Adding to 7205112231 its reverse (1322115027), we get a palindrome (8527227258).

The spelling of 7205112231 in words is "seven billion, two hundred five million, one hundred twelve thousand, two hundred thirty-one".