1201332313 has 8 divisors (see below), whose sum is σ = 1210925160. Its totient is φ = 1191751680.

The previous prime is 1201332299. The next prime is 1201332329. The reversal of 1201332313 is 3132331021.

It can be written as a sum of positive squares in 4 ways, for example, as 336795904 + 864536409 = 18352^2 + 29403^2 .

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 1201332313 - 2⁵ = 1201332281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201332373) 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, 355753 + ... + 359113.

It is an arithmetic number, because the mean of its divisors is an integer number (151365645).

Almost surely, 2^1201332313 is an apocalyptic number.

It is an amenable number.

1201332313 is a deficient number, since it is larger than the sum of its proper divisors (9592847).

1201332313 is a wasteful number, since it uses less digits than its factorization.

1201332313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107.

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

The square root of 1201332313 is about 34660.2410984113. The cubic root of 1201332313 is about 1063.0516997888.

Adding to 1201332313 its reverse (3132331021), we get a palindrome (4333663334).

The spelling of 1201332313 in words is "one billion, two hundred one million, three hundred thirty-two thousand, three hundred thirteen".