1311202311022 has 4 divisors (see below), whose sum is σ = 1966803466536. Its totient is φ = 655601155510.

The previous prime is 1311202310987. The next prime is 1311202311071. The reversal of 1311202311022 is 2201132021131.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1311202311022³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327800577754 + ... + 327800577757.

It is an arithmetic number, because the mean of its divisors is an integer number (491700866634).

Almost surely, 2^{1311202311022} is an apocalyptic number.

1311202311022 is a deficient number, since it is larger than the sum of its proper divisors (655601155514).

1311202311022 is an equidigital number, since it uses as much as digits as its factorization.

1311202311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655601155513.

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

Adding to 1311202311022 its reverse (2201132021131), we get a palindrome (3512334332153).

The spelling of 1311202311022 in words is "one trillion, three hundred eleven billion, two hundred two million, three hundred eleven thousand, twenty-two".