1002043031 has 8 divisors (see below), whose sum is σ = 1106976000. Its totient is φ = 899416440.

The previous prime is 1002042997. The next prime is 1002043043. The reversal of 1002043031 is 1303402001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002043031 - 2⁶ = 1002042967 is a prime.

It is a super-2 number, since 2×1002043031² = 2008180471951333922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002042997 and 1002043015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002048031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575681 + ... + 577418.

It is an arithmetic number, because the mean of its divisors is an integer number (138372000).

Almost surely, 2^1002043031 is an apocalyptic number.

1002043031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002043031 is a deficient number, since it is larger than the sum of its proper divisors (104932969).

1002043031 is a wasteful number, since it uses less digits than its factorization.

1002043031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153189.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1002043031 is about 31655.0632758805. The cubic root of 1002043031 is about 1000.6805470839.

Adding to 1002043031 its reverse (1303402001), we get a palindrome (2305445032).

The spelling of 1002043031 in words is "one billion, two million, forty-three thousand, thirty-one".