1012042431 has 20 divisors (see below), whose sum is σ = 1512673272. Its totient is φ = 674312688.

The previous prime is 1012042417. The next prime is 1012042433. The reversal of 1012042431 is 1342402101.

It is not a de Polignac number, because 1012042431 - 2¹³ = 1012034239 is a prime.

It is a super-2 number, since 2×1012042431² = 2048459764288779522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012042433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 269241 + ... + 272973.

Almost surely, 2^1012042431 is an apocalyptic number.

1012042431 is a deficient number, since it is larger than the sum of its proper divisors (500630841).

1012042431 is an equidigital number, since it uses as much as digits as its factorization.

1012042431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1012042431 is about 31812.6143377120. The cubic root of 1012042431 is about 1003.9981372616.

Adding to 1012042431 its reverse (1342402101), we get a palindrome (2354444532).

The spelling of 1012042431 in words is "one billion, twelve million, forty-two thousand, four hundred thirty-one".