1043420031 has 12 divisors (see below), whose sum is σ = 1517279400. Its totient is φ = 690943920.

The previous prime is 1043420009. The next prime is 1043420039. The reversal of 1043420031 is 1300243401.

1043420031 is a `hidden beast` number, since 1 + 0 + 434 + 200 + 31 = 666.

It is not a de Polignac number, because 1043420031 - 2⁶ = 1043419967 is a prime.

It is a super-2 number, since 2×1043420031² = 2177450722184081922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1043419986 and 1043420013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043420039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387705 + ... + 390386.

It is an arithmetic number, because the mean of its divisors is an integer number (126439950).

Almost surely, 2^1043420031 is an apocalyptic number.

1043420031 is a deficient number, since it is larger than the sum of its proper divisors (473859369).

1043420031 is a wasteful number, since it uses less digits than its factorization.

1043420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778246 (or 778243 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1043420031 is about 32302.0128010624. The cubic root of 1043420031 is about 1014.2687772963.

Adding to 1043420031 its reverse (1300243401), we get a palindrome (2343663432).

The spelling of 1043420031 in words is "one billion, forty-three million, four hundred twenty thousand, thirty-one".