1213113302 has 32 divisors (see below), whose sum is σ = 1987895520. Its totient is φ = 552890880.

The previous prime is 1213113299. The next prime is 1213113329. The reversal of 1213113302 is 2033113121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285977 + ... + 290187.

It is an arithmetic number, because the mean of its divisors is an integer number (62121735).

Almost surely, 2^1213113302 is an apocalyptic number.

1213113302 is a deficient number, since it is larger than the sum of its proper divisors (774782218).

1213113302 is a wasteful number, since it uses less digits than its factorization.

1213113302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1213113302 is about 34829.7760831160. The cubic root of 1213113302 is about 1066.5153773495.

Adding to 1213113302 its reverse (2033113121), we get a palindrome (3246226423).

The spelling of 1213113302 in words is "one billion, two hundred thirteen million, one hundred thirteen thousand, three hundred two".