2124140431 has 4 divisors (see below), whose sum is σ = 2427589072. Its totient is φ = 1820691792.

The previous prime is 2124140411. The next prime is 2124140563. The reversal of 2124140431 is 1340414212.

It is a happy number.

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 2124140431 - 2⁷ = 2124140303 is a prime.

It is a super-2 number, since 2×2124140431² = 9023945141217731522, 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 (2124140411) 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, 151724310 + ... + 151724323.

It is an arithmetic number, because the mean of its divisors is an integer number (606897268).

Almost surely, 2^2124140431 is an apocalyptic number.

2124140431 is a deficient number, since it is larger than the sum of its proper divisors (303448641).

2124140431 is an equidigital number, since it uses as much as digits as its factorization.

2124140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303448640.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2124140431 is about 46088.3980086095. The cubic root of 2124140431 is about 1285.4674234058.

Adding to 2124140431 its reverse (1340414212), we get a palindrome (3464554643).

The spelling of 2124140431 in words is "two billion, one hundred twenty-four million, one hundred forty thousand, four hundred thirty-one".