2150431 has 4 divisors (see below), whose sum is σ = 2243952. Its totient is φ = 2056912.

The previous prime is 2150419. The next prime is 2150441. The reversal of 2150431 is 1340512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2150431 - 2⁵ = 2150399 is a prime.

It is a super-2 number, since 2×2150431² = 9248706971522, 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 (2150411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46726 + ... + 46771.

It is an arithmetic number, because the mean of its divisors is an integer number (560988).

2^2150431 is an apocalyptic number.

2150431 is a deficient number, since it is larger than the sum of its proper divisors (93521).

2150431 is an equidigital number, since it uses as much as digits as its factorization.

2150431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93520.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2150431 is about 1466.4347922768. The cubic root of 2150431 is about 129.0749119207.

Adding to 2150431 its reverse (1340512), we get a palindrome (3490943).

The spelling of 2150431 in words is "two million, one hundred fifty thousand, four hundred thirty-one".