1224132431 has 2 divisors, whose sum is σ = 1224132432. Its totient is φ = 1224132430.

The previous prime is 1224132421. The next prime is 1224132439. The reversal of 1224132431 is 1342314221.

It is a strong prime.

It is an emirp because it is prime and its reverse (1342314221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1224132431 - 2¹⁸ = 1223870287 is a prime.

It is a super-2 number, since 2×1224132431² = 2997000417251939522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1224132397 and 1224132406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224132439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612066215 + 612066216.

It is an arithmetic number, because the mean of its divisors is an integer number (612066216).

Almost surely, 2^1224132431 is an apocalyptic number.

1224132431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224132431 is an equidigital number, since it uses as much as digits as its factorization.

1224132431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 1224132431 is about 34987.6039619749. The cubic root of 1224132431 is about 1069.7348255450.

Adding to 1224132431 its reverse (1342314221), we get a palindrome (2566446652).

The spelling of 1224132431 in words is "one billion, two hundred twenty-four million, one hundred thirty-two thousand, four hundred thirty-one".