1312033201 has 12 divisors (see below), whose sum is σ = 1407446004. Its totient is φ = 1222581600.

The previous prime is 1312033193. The next prime is 1312033213. The reversal of 1312033201 is 1023302131.

It can be written as a sum of positive squares in 2 ways, for example, as 421070400 + 890962801 = 20520^2 + 29849^2 .

It is not a de Polignac number, because 1312033201 - 2³ = 1312033193 is a prime.

It is a super-2 number, since 2×1312033201² = 3442862241052612802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312033241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7770 + ... + 51811.

It is an arithmetic number, because the mean of its divisors is an integer number (117287167).

Almost surely, 2^1312033201 is an apocalyptic number.

It is an amenable number.

1312033201 is a deficient number, since it is larger than the sum of its proper divisors (95412803).

1312033201 is an equidigital number, since it uses as much as digits as its factorization.

1312033201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59680 (or 59661 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1312033201 is about 36221.9988542874. The cubic root of 1312033201 is about 1094.7499692535.

Adding to 1312033201 its reverse (1023302131), we get a palindrome (2335335332).

The spelling of 1312033201 in words is "one billion, three hundred twelve million, thirty-three thousand, two hundred one".