1213332113 has 8 divisors (see below), whose sum is σ = 1386983232. Its totient is φ = 1039760496.

The previous prime is 1213332103. The next prime is 1213332137. The reversal of 1213332113 is 3112333121.

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 1213332113 - 2⁶ = 1213332049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213332103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17531 + ... + 52287.

It is an arithmetic number, because the mean of its divisors is an integer number (173372904).

Almost surely, 2^1213332113 is an apocalyptic number.

It is an amenable number.

1213332113 is a deficient number, since it is larger than the sum of its proper divisors (173651119).

1213332113 is an equidigital number, since it uses as much as digits as its factorization.

1213332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39751.

The product of its digits is 324, while the sum is 20.

The square root of 1213332113 is about 34832.9170900170. The cubic root of 1213332113 is about 1066.5794964680.

Adding to 1213332113 its reverse (3112333121), we get a palindrome (4325665234).

The spelling of 1213332113 in words is "one billion, two hundred thirteen million, three hundred thirty-two thousand, one hundred thirteen".