1002320013 has 8 divisors (see below), whose sum is σ = 1394532288. Its totient is φ = 639160544.

The previous prime is 1002319999. The next prime is 1002320021. The reversal of 1002320013 is 3100232001.

It is a happy number.

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 1002320013 - 2⁹ = 1002319501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002320023) 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 7 ways as a sum of consecutive naturals, for example, 7263120 + ... + 7263257.

It is an arithmetic number, because the mean of its divisors is an integer number (174316536).

Almost surely, 2^1002320013 is an apocalyptic number.

It is an amenable number.

1002320013 is a deficient number, since it is larger than the sum of its proper divisors (392212275).

1002320013 is a wasteful number, since it uses less digits than its factorization.

1002320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526403.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1002320013 is about 31659.4379766919. The cubic root of 1002320013 is about 1000.7727403852.

Adding to 1002320013 its reverse (3100232001), we get a palindrome (4102552014).

It can be divided in two parts, 100232001 and 3, that multiplied together give a palindrome (300696003).

The spelling of 1002320013 in words is "one billion, two million, three hundred twenty thousand, thirteen".