1311430305222 has 32 divisors (see below), whose sum is σ = 2914750792800. Its totient is φ = 437074251264.

The previous prime is 1311430305203. The next prime is 1311430305239. The reversal of 1311430305222 is 2225030341131.

1311430305222 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 430 + 3 + 0 + 5 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576843 + ... + 2260374.

It is an arithmetic number, because the mean of its divisors is an integer number (91085962275).

Almost surely, 2^{1311430305222} is an apocalyptic number.

1311430305222 is an abundant number, since it is smaller than the sum of its proper divisors (1603320487578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311430305222 is a wasteful number, since it uses less digits than its factorization.

1311430305222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843557 (or 3843551 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1311430305222 its reverse (2225030341131), we get a palindrome (3536460646353).

The spelling of 1311430305222 in words is "one trillion, three hundred eleven billion, four hundred thirty million, three hundred five thousand, two hundred twenty-two".