8013134231 has 8 divisors (see below), whose sum is σ = 8302153728. Its totient is φ = 7726023000.

The previous prime is 8013134221. The next prime is 8013134257. The reversal of 8013134231 is 1324313108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8013134231 is a prime.

It is a super-2 number, since 2×8013134231² (a number of 21 digits) 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 8013134231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013134201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468515 + ... + 485316.

It is an arithmetic number, because the mean of its divisors is an integer number (1037769216).

Almost surely, 2^8013134231 is an apocalyptic number.

8013134231 is a deficient number, since it is larger than the sum of its proper divisors (289019497).

8013134231 is a wasteful number, since it uses less digits than its factorization.

8013134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954133.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 8013134231 is about 89516.1115721634. Note that the first 3 decimals coincide. The cubic root of 8013134231 is about 2001.0939208095.

Adding to 8013134231 its reverse (1324313108), we get a palindrome (9337447339).

The spelling of 8013134231 in words is "eight billion, thirteen million, one hundred thirty-four thousand, two hundred thirty-one".