133231230313 has 8 divisors (see below), whose sum is σ = 137654415360. Its totient is φ = 128815883040.

The previous prime is 133231230311. The next prime is 133231230317. The reversal of 133231230313 is 313032132331.

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

It is a cyclic number.

It is not a de Polignac number, because 133231230313 - 2¹ = 133231230311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133231230311) 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, 1924873 + ... + 1992886.

It is an arithmetic number, because the mean of its divisors is an integer number (17206801920).

Almost surely, 2^133231230313 is an apocalyptic number.

It is an amenable number.

133231230313 is a deficient number, since it is larger than the sum of its proper divisors (4423185047).

133231230313 is a wasteful number, since it uses less digits than its factorization.

133231230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918887.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 133231230313 its reverse (313032132331), we get a palindrome (446263362644).

The spelling of 133231230313 in words is "one hundred thirty-three billion, two hundred thirty-one million, two hundred thirty thousand, three hundred thirteen".