2013431 has 8 divisors (see below), whose sum is σ = 2310144. Its totient is φ = 1719000.

The previous prime is 2013409. The next prime is 2013439. The reversal of 2013431 is 1343102.

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 2013431 - 2⁶ = 2013367 is a prime.

It is a super-2 number, since 2×2013431² = 8107808783522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013439) 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, 2306 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (288768).

2^2013431 is an apocalyptic number.

2013431 is a deficient number, since it is larger than the sum of its proper divisors (296713).

2013431 is an equidigital number, since it uses as much as digits as its factorization.

2013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2013431 is about 1418.9541923544. The cubic root of 2013431 is about 126.2735093298.

Adding to 2013431 its reverse (1343102), we get a palindrome (3356533).

The spelling of 2013431 in words is "two million, thirteen thousand, four hundred thirty-one".