2103431 has 8 divisors (see below), whose sum is σ = 2348544. Its totient is φ = 1867320.

The previous prime is 2103407. The next prime is 2103449. The reversal of 2103431 is 1343012.

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 2103431 - 2¹⁴ = 2087047 is a prime.

It is a super-2 number, since 2×2103431² = 8848843943522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (293568).

2^2103431 is an apocalyptic number.

2103431 is a deficient number, since it is larger than the sum of its proper divisors (245113).

2103431 is a wasteful number, since it uses less digits than its factorization.

2103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

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

The square root of 2103431 is about 1450.3209989516. The cubic root of 2103431 is about 128.1276193000.

Adding to 2103431 its reverse (1343012), we get a palindrome (3446443).

The spelling of 2103431 in words is "two million, one hundred three thousand, four hundred thirty-one".