1311234052210 has 16 divisors (see below), whose sum is σ = 2381108210136. Its totient is φ = 519852083968.

The previous prime is 1311234052199. The next prime is 1311234052237. The reversal of 1311234052210 is 122504321131.

It can be written as a sum of positive squares in 4 ways, for example, as 935493249681 + 375740802529 = 967209^2 + 612977^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580190929 + ... + 580193188.

Almost surely, 2^{1311234052210} is an apocalyptic number.

1311234052210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311234052210 is a deficient number, since it is larger than the sum of its proper divisors (1069874157926).

1311234052210 is a wasteful number, since it uses less digits than its factorization.

1311234052210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160384237.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1311234052210 its reverse (122504321131), we get a palindrome (1433738373341).

The spelling of 1311234052210 in words is "one trillion, three hundred eleven billion, two hundred thirty-four million, fifty-two thousand, two hundred ten".