1321113002 has 16 divisors (see below), whose sum is σ = 2173146624. Its totient is φ = 597360000.

The previous prime is 1321112953. The next prime is 1321113049. The reversal of 1321113002 is 2003111231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152999 + ... + 161402.

It is an arithmetic number, because the mean of its divisors is an integer number (135821664).

Almost surely, 2^1321113002 is an apocalyptic number.

1321113002 is a deficient number, since it is larger than the sum of its proper divisors (852033622).

1321113002 is a wasteful number, since it uses less digits than its factorization.

1321113002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314605.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1321113002 is about 36347.1182076379. The cubic root of 1321113002 is about 1097.2695370370.

Adding to 1321113002 its reverse (2003111231), we get a palindrome (3324224233).

The spelling of 1321113002 in words is "one billion, three hundred twenty-one million, one hundred thirteen thousand, two".