1241630431 has 2 divisors, whose sum is σ = 1241630432. Its totient is φ = 1241630430.

The previous prime is 1241630419. The next prime is 1241630437. The reversal of 1241630431 is 1340361421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241630431 - 2⁹ = 1241629919 is a prime.

It is a super-2 number, since 2×1241630431² = 3083292254370491522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1241630396 and 1241630405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241630437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620815215 + 620815216.

It is an arithmetic number, because the mean of its divisors is an integer number (620815216).

Almost surely, 2^1241630431 is an apocalyptic number.

1241630431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241630431 is an equidigital number, since it uses as much as digits as its factorization.

1241630431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1241630431 is about 35236.7766828920. The cubic root of 1241630431 is about 1074.8077337056.

Adding to 1241630431 its reverse (1340361421), we get a palindrome (2581991852).

The spelling of 1241630431 in words is "one billion, two hundred forty-one million, six hundred thirty thousand, four hundred thirty-one".