2124545231 has 2 divisors, whose sum is σ = 2124545232. Its totient is φ = 2124545230.

The previous prime is 2124545221. The next prime is 2124545261. The reversal of 2124545231 is 1325454212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2124545231 - 2¹⁰ = 2124544207 is a prime.

It is a super-2 number, since 2×2124545231² = 9027384877129686722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2124545194 and 2124545203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124545221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062272615 + 1062272616.

It is an arithmetic number, because the mean of its divisors is an integer number (1062272616).

Almost surely, 2^2124545231 is an apocalyptic number.

2124545231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124545231 is an equidigital number, since it uses as much as digits as its factorization.

2124545231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 29.

The square root of 2124545231 is about 46092.7893601591. The cubic root of 2124545231 is about 1285.5490759108.

Adding to 2124545231 its reverse (1325454212), we get a palindrome (3449999443).

The spelling of 2124545231 in words is "two billion, one hundred twenty-four million, five hundred forty-five thousand, two hundred thirty-one".