1002321213 has 16 divisors (see below), whose sum is σ = 1365318720. Its totient is φ = 653837184.

The previous prime is 1002321149. The next prime is 1002321223. The reversal of 1002321213 is 3121232001.

It is not a de Polignac number, because 1002321213 - 2⁶ = 1002321149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002321192 and 1002321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002321223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51945 + ... + 68577.

It is an arithmetic number, because the mean of its divisors is an integer number (85332420).

Almost surely, 2^1002321213 is an apocalyptic number.

It is an amenable number.

1002321213 is a deficient number, since it is larger than the sum of its proper divisors (362997507).

1002321213 is a wasteful number, since it uses less digits than its factorization.

1002321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17068.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1002321213 is about 31659.4569283808. The cubic root of 1002321213 is about 1000.7731397675.

Adding to 1002321213 its reverse (3121232001), we get a palindrome (4123553214).

The spelling of 1002321213 in words is "one billion, two million, three hundred twenty-one thousand, two hundred thirteen".