1311440133302 has 32 divisors (see below), whose sum is σ = 2130776492544. Its totient is φ = 601772925600.

The previous prime is 1311440133287. The next prime is 1311440133307. The reversal of 1311440133302 is 2033310441131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311440133307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5069027 + ... + 5321457.

It is an arithmetic number, because the mean of its divisors is an integer number (66586765392).

Almost surely, 2^{1311440133302} is an apocalyptic number.

1311440133302 is a deficient number, since it is larger than the sum of its proper divisors (819336359242).

1311440133302 is a wasteful number, since it uses less digits than its factorization.

1311440133302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253604.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1311440133302 its reverse (2033310441131), we get a palindrome (3344750574433).

The spelling of 1311440133302 in words is "one trillion, three hundred eleven billion, four hundred forty million, one hundred thirty-three thousand, three hundred two".