231302013 has 8 divisors (see below), whose sum is σ = 309173376. Its totient is φ = 153816000.

The previous prime is 231301997. The next prime is 231302041. The reversal of 231302013 is 310203132.

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

It is not a de Polignac number, because 231302013 - 2⁴ = 231301997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231301983 and 231302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231302063) 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, 94933 + ... + 97338.

It is an arithmetic number, because the mean of its divisors is an integer number (38646672).

Almost surely, 2^231302013 is an apocalyptic number.

It is an amenable number.

231302013 is a deficient number, since it is larger than the sum of its proper divisors (77871363).

231302013 is a wasteful number, since it uses less digits than its factorization.

231302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192675.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 231302013 is about 15208.6164064980. The cubic root of 231302013 is about 613.8465285380.

Adding to 231302013 its reverse (310203132), we get a palindrome (541505145).

The spelling of 231302013 in words is "two hundred thirty-one million, three hundred two thousand, thirteen".