1024131304431 has 14 divisors (see below), whose sum is σ = 1535494535720. Its totient is φ = 682754202468.

The previous prime is 1024131304379. The next prime is 1024131304433. The reversal of 1024131304431 is 1344031314201.

It is not a de Polignac number, because 1024131304431 - 2⁷ = 1024131304303 is a prime.

It is a super-2 number, since 2×1024131304431² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1024131304395 and 1024131304404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024131304433) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 702421291 + ... + 702422748.

Almost surely, 2^{1024131304431} is an apocalyptic number.

1024131304431 is a deficient number, since it is larger than the sum of its proper divisors (511363231289).

1024131304431 is an frugal number, since it uses more digits than its factorization.

1024131304431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404844057 (or 1404844042 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1024131304431 its reverse (1344031314201), we get a palindrome (2368162618632).

The spelling of 1024131304431 in words is "one trillion, twenty-four billion, one hundred thirty-one million, three hundred four thousand, four hundred thirty-one".