1001032013 has 4 divisors (see below), whose sum is σ = 1044555168. Its totient is φ = 957508860.

The previous prime is 1001032009. The next prime is 1001032031. The reversal of 1001032013 is 3102301001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1001032013 - 2² = 1001032009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001031985 and 1001032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001032313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21761543 + ... + 21761588.

It is an arithmetic number, because the mean of its divisors is an integer number (261138792).

Almost surely, 2^1001032013 is an apocalyptic number.

It is an amenable number.

1001032013 is a deficient number, since it is larger than the sum of its proper divisors (43523155).

1001032013 is an equidigital number, since it uses as much as digits as its factorization.

1001032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43523154.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1001032013 is about 31639.0899521462. The cubic root of 1001032013 is about 1000.3438860622.

Adding to 1001032013 its reverse (3102301001), we get a palindrome (4103333014).

The spelling of 1001032013 in words is "one billion, one million, thirty-two thousand, thirteen".