1340403033311 has 8 divisors (see below), whose sum is σ = 1422060410880. Its totient is φ = 1259856640728.

The previous prime is 1340403033293. The next prime is 1340403033331. The reversal of 1340403033311 is 1133303040431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340403033311 - 2³⁴ = 1323223164127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340403033331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277743761 + ... + 277748586.

It is an arithmetic number, because the mean of its divisors is an integer number (177757551360).

Almost surely, 2^{1340403033311} is an apocalyptic number.

1340403033311 is a deficient number, since it is larger than the sum of its proper divisors (81657377569).

1340403033311 is a wasteful number, since it uses less digits than its factorization.

1340403033311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555492493.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1340403033311 its reverse (1133303040431), we get a palindrome (2473706073742).

The spelling of 1340403033311 in words is "one trillion, three hundred forty billion, four hundred three million, thirty-three thousand, three hundred eleven".