7135328231 has 2 divisors, whose sum is σ = 7135328232. Its totient is φ = 7135328230.

The previous prime is 7135328227. The next prime is 7135328257. The reversal of 7135328231 is 1328235317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7135328231 - 2² = 7135328227 is a prime.

It is a super-2 number, since 2×7135328231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7135328191 and 7135328200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7135328831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3567664115 + 3567664116.

It is an arithmetic number, because the mean of its divisors is an integer number (3567664116).

Almost surely, 2^7135328231 is an apocalyptic number.

7135328231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7135328231 is an equidigital number, since it uses as much as digits as its factorization.

7135328231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 7135328231 is about 84470.8720861813. The cubic root of 7135328231 is about 1925.1798993956.

The spelling of 7135328231 in words is "seven billion, one hundred thirty-five million, three hundred twenty-eight thousand, two hundred thirty-one".