2124434731 has 8 divisors (see below), whose sum is σ = 2134289520. Its totient is φ = 2114592768.

The previous prime is 2124434723. The next prime is 2124434747. The reversal of 2124434731 is 1374344212.

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 2124434731 - 2³ = 2124434723 is a prime.

It is a super-2 number, since 2×2124434731² = 9026445852558084722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124434693 and 2124434702.

It is not an unprimeable number, because it can be changed into a prime (2124434761) 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, 506515 + ... + 510691.

It is an arithmetic number, because the mean of its divisors is an integer number (266786190).

Almost surely, 2^2124434731 is an apocalyptic number.

2124434731 is a deficient number, since it is larger than the sum of its proper divisors (9854789).

2124434731 is a wasteful number, since it uses less digits than its factorization.

2124434731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413.

The product of its digits is 16128, while the sum is 31.

The square root of 2124434731 is about 46091.5906755234. The cubic root of 2124434731 is about 1285.5267879040.

Adding to 2124434731 its reverse (1374344212), we get a palindrome (3498778943).

The spelling of 2124434731 in words is "two billion, one hundred twenty-four million, four hundred thirty-four thousand, seven hundred thirty-one".