4135315231 has 4 divisors (see below), whose sum is σ = 4137797592. Its totient is φ = 4132832872.

The previous prime is 4135315213. The next prime is 4135315243. The reversal of 4135315231 is 1325135314.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4135315231 - 2⁷ = 4135315103 is a prime.

It is a super-2 number, since 2×4135315231² = 34201664119481166722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4135315231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4135315631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238680 + ... + 1242013.

It is an arithmetic number, because the mean of its divisors is an integer number (1034449398).

Almost surely, 2^4135315231 is an apocalyptic number.

4135315231 is a deficient number, since it is larger than the sum of its proper divisors (2482361).

4135315231 is a wasteful number, since it uses less digits than its factorization.

4135315231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482360.

The product of its digits is 5400, while the sum is 28.

The square root of 4135315231 is about 64306.4167171520. The cubic root of 4135315231 is about 1605.1028787941.

The spelling of 4135315231 in words is "four billion, one hundred thirty-five million, three hundred fifteen thousand, two hundred thirty-one".