1243414431 has 48 divisors (see below), whose sum is σ = 2149415424. Its totient is φ = 677236032.

The previous prime is 1243414429. The next prime is 1243414499. The reversal of 1243414431 is 1344143421.

1243414431 is a `hidden beast` number, since 1 + 243 + 414 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 1243414431 - 2¹ = 1243414429 is a prime.

It is a super-2 number, since 2×1243414431² = 3092158894438107522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243414395 and 1243414404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243414331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 457980 + ... + 460686.

It is an arithmetic number, because the mean of its divisors is an integer number (44779488).

Almost surely, 2^1243414431 is an apocalyptic number.

1243414431 is a deficient number, since it is larger than the sum of its proper divisors (906000993).

1243414431 is a wasteful number, since it uses less digits than its factorization.

1243414431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060 (or 3057 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1243414431 is about 35262.0820570766. The cubic root of 1243414431 is about 1075.3222559377.

Adding to 1243414431 its reverse (1344143421), we get a palindrome (2587557852).

The spelling of 1243414431 in words is "one billion, two hundred forty-three million, four hundred fourteen thousand, four hundred thirty-one".