1213313032 has 8 divisors (see below), whose sum is σ = 2274961950. Its totient is φ = 606656512.

The previous prime is 1213313009. The next prime is 1213313033. The reversal of 1213313032 is 2303133121.

It can be written as a sum of positive squares in only one way, i.e., 906852996 + 306460036 = 30114^2 + 17506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1213313033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75832057 + ... + 75832072.

Almost surely, 2^1213313032 is an apocalyptic number.

It is an amenable number.

1213313032 is a deficient number, since it is larger than the sum of its proper divisors (1061648918).

1213313032 is a wasteful number, since it uses less digits than its factorization.

1213313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151664135 (or 151664131 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1213313032 is about 34832.6431957151. The cubic root of 1213313032 is about 1066.5739053882.

Adding to 1213313032 its reverse (2303133121), we get a palindrome (3516446153).

The spelling of 1213313032 in words is "one billion, two hundred thirteen million, three hundred thirteen thousand, thirty-two".