231002013 has 8 divisors (see below), whose sum is σ = 336002976. Its totient is φ = 140001200.

The previous prime is 231001963. The next prime is 231002027. The reversal of 231002013 is 310200132.

It is a happy number.

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 231002013 - 2²⁵ = 197447581 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 231002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231002113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3499998 + ... + 3500063.

It is an arithmetic number, because the mean of its divisors is an integer number (42000372).

Almost surely, 2^231002013 is an apocalyptic number.

It is an amenable number.

231002013 is a deficient number, since it is larger than the sum of its proper divisors (105000963).

231002013 is a wasteful number, since it uses less digits than its factorization.

231002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000075.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 231002013 is about 15198.7503762645. The cubic root of 231002013 is about 613.5810262626.

Adding to 231002013 its reverse (310200132), we get a palindrome (541202145).

The spelling of 231002013 in words is "two hundred thirty-one million, two thousand, thirteen".