1321113202 has 8 divisors (see below), whose sum is σ = 1982125296. Its totient is φ = 660404772.

The previous prime is 1321113109. The next prime is 1321113223. The reversal of 1321113202 is 2023111231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64708 + ... + 82639.

It is an arithmetic number, because the mean of its divisors is an integer number (247765662).

Almost surely, 2^1321113202 is an apocalyptic number.

1321113202 is a deficient number, since it is larger than the sum of its proper divisors (661012094).

1321113202 is a wasteful number, since it uses less digits than its factorization.

1321113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151832.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1321113202 is about 36347.1209588875. The cubic root of 1321113202 is about 1097.2695924080.

Adding to 1321113202 its reverse (2023111231), we get a palindrome (3344224433).

The spelling of 1321113202 in words is "one billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred two".