1002443131 has 8 divisors (see below), whose sum is σ = 1069770240. Its totient is φ = 936044928.

The previous prime is 1002443129. The next prime is 1002443159. The reversal of 1002443131 is 1313442001.

1002443131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1002443131 - 2¹ = 1002443129 is a prime.

It is a super-2 number, since 2×1002443131² = 2009784461778166322, 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 = 1002443099 and 1002443108.

It is not an unprimeable number, because it can be changed into a prime (1002443161) 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, 229996 + ... + 234313.

It is an arithmetic number, because the mean of its divisors is an integer number (133721280).

Almost surely, 2^1002443131 is an apocalyptic number.

1002443131 is a deficient number, since it is larger than the sum of its proper divisors (67327109).

1002443131 is a wasteful number, since it uses less digits than its factorization.

1002443131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464453.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1002443131 is about 31661.3823292667. The cubic root of 1002443131 is about 1000.8137146888.

Adding to 1002443131 its reverse (1313442001), we get a palindrome (2315885132).

The spelling of 1002443131 in words is "one billion, two million, four hundred forty-three thousand, one hundred thirty-one".