1311022101232 has 10 divisors (see below), whose sum is σ = 2540105321168. Its totient is φ = 655511050608.

The previous prime is 1311022101211. The next prime is 1311022101287. The reversal of 1311022101232 is 2321012201131.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 40969440648 + ... + 40969440679.

Almost surely, 2^{1311022101232} is an apocalyptic number.

It is an amenable number.

1311022101232 is a deficient number, since it is larger than the sum of its proper divisors (1229083219936).

1311022101232 is an equidigital number, since it uses as much as digits as its factorization.

1311022101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81938881335 (or 81938881329 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1311022101232 its reverse (2321012201131), we get a palindrome (3632034302363).

The spelling of 1311022101232 in words is "one trillion, three hundred eleven billion, twenty-two million, one hundred one thousand, two hundred thirty-two".