2013143231 has 8 divisors (see below), whose sum is σ = 2204509824. Its totient is φ = 1823168920.

The previous prime is 2013143227. The next prime is 2013143239. The reversal of 2013143231 is 1323413102.

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 2013143231 - 2² = 2013143227 is a prime.

It is a super-2 number, since 2×2013143231² = 8105491337042238722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013143239) 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, 345041 + ... + 350826.

It is an arithmetic number, because the mean of its divisors is an integer number (275563728).

Almost surely, 2^2013143231 is an apocalyptic number.

2013143231 is a deficient number, since it is larger than the sum of its proper divisors (191366593).

2013143231 is a wasteful number, since it uses less digits than its factorization.

2013143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696141.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2013143231 is about 44868.0647119976. The cubic root of 2013143231 is about 1262.6749317581.

Adding to 2013143231 its reverse (1323413102), we get a palindrome (3336556333).

The spelling of 2013143231 in words is "two billion, thirteen million, one hundred forty-three thousand, two hundred thirty-one".