1311312532202 has 16 divisors (see below), whose sum is σ = 2083181904072. Its totient is φ = 616937418240.

The previous prime is 1311312532181. The next prime is 1311312532207. The reversal of 1311312532202 is 2022352131131.

It can be written as a sum of positive squares in 4 ways, for example, as 938149153561 + 373163378641 = 968581^2 + 610871^2 .

It is a super-2 number, since 2×1311312532202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311312532207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4572299 + ... + 4850622.

Almost surely, 2^{1311312532202} is an apocalyptic number.

1311312532202 is a deficient number, since it is larger than the sum of its proper divisors (771869371870).

1311312532202 is a wasteful number, since it uses less digits than its factorization.

1311312532202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427033.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1311312532202 its reverse (2022352131131), we get a palindrome (3333664663333).

The spelling of 1311312532202 in words is "one trillion, three hundred eleven billion, three hundred twelve million, five hundred thirty-two thousand, two hundred two".