1263424031 has 2 divisors, whose sum is σ = 1263424032. Its totient is φ = 1263424030.

The previous prime is 1263424013. The next prime is 1263424069. The reversal of 1263424031 is 1304243621.

Together with previous prime (1263424013) 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 1263424031 - 2¹⁴ = 1263407647 is a prime.

It is a super-2 number, since 2×1263424031² = 3192480564216577922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263424081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631712015 + 631712016.

It is an arithmetic number, because the mean of its divisors is an integer number (631712016).

Almost surely, 2^1263424031 is an apocalyptic number.

1263424031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263424031 is an equidigital number, since it uses as much as digits as its factorization.

1263424031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1263424031 is about 35544.6765493794. The cubic root of 1263424031 is about 1081.0597824759.

Adding to 1263424031 its reverse (1304243621), we get a palindrome (2567667652).

The spelling of 1263424031 in words is "one billion, two hundred sixty-three million, four hundred twenty-four thousand, thirty-one".