1241403431 has 2 divisors, whose sum is σ = 1241403432. Its totient is φ = 1241403430.

The previous prime is 1241403413. The next prime is 1241403479. The reversal of 1241403431 is 1343041421.

Together with previous prime (1241403413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1241403431 - 2⁶ = 1241403367 is a prime.

It is a super-2 number, since 2×1241403431² = 3082164956997143522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1241403397 and 1241403406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241403481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620701715 + 620701716.

It is an arithmetic number, because the mean of its divisors is an integer number (620701716).

Almost surely, 2^1241403431 is an apocalyptic number.

1241403431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241403431 is an equidigital number, since it uses as much as digits as its factorization.

1241403431 is an evil number, because the sum of its binary digits is even.

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

The square root of 1241403431 is about 35233.5554691831. Note that the first 3 decimals coincide. The cubic root of 1241403431 is about 1074.7422294516.

Adding to 1241403431 its reverse (1343041421), we get a palindrome (2584444852).

The spelling of 1241403431 in words is "one billion, two hundred forty-one million, four hundred three thousand, four hundred thirty-one".