1311052202 has 8 divisors (see below), whose sum is σ = 2003683716. Its totient is φ = 643157632.

The previous prime is 1311052177. The next prime is 1311052243. The reversal of 1311052202 is 2022501131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1199306161 + 111746041 = 34631^2 + 10571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6184103 + ... + 6184314.

Almost surely, 2^1311052202 is an apocalyptic number.

1311052202 is a deficient number, since it is larger than the sum of its proper divisors (692631514).

1311052202 is a wasteful number, since it uses less digits than its factorization.

1311052202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12368472.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1311052202 is about 36208.4548413765. The cubic root of 1311052202 is about 1094.4770553270.

Adding to 1311052202 its reverse (2022501131), we get a palindrome (3333553333).

Subtracting 1311052202 from its reverse (2022501131), we obtain a square (711448929 = 26673²).

The spelling of 1311052202 in words is "one billion, three hundred eleven million, fifty-two thousand, two hundred two".