1340311223155 has 8 divisors (see below), whose sum is σ = 1608454018512. Its totient is φ = 1072195278048.

The previous prime is 1340311223137. The next prime is 1340311223249. The reversal of 1340311223155 is 5513221130431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340311223155 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 6602577 + ... + 6802546.

It is an arithmetic number, because the mean of its divisors is an integer number (201056752314).

Almost surely, 2^{1340311223155} is an apocalyptic number.

1340311223155 is a deficient number, since it is larger than the sum of its proper divisors (268142795357).

1340311223155 is a wasteful number, since it uses less digits than its factorization.

1340311223155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13425125.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1340311223155 its reverse (5513221130431), we get a palindrome (6853532353586).

The spelling of 1340311223155 in words is "one trillion, three hundred forty billion, three hundred eleven million, two hundred twenty-three thousand, one hundred fifty-five".