1340455365331 has 8 divisors (see below), whose sum is σ = 1344444948000. Its totient is φ = 1336466633280.

The previous prime is 1340455365247. The next prime is 1340455365349. The reversal of 1340455365331 is 1335635540431.

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 1340455365331 - 2¹⁷ = 1340455234259 is a prime.

It is a super-2 number, since 2×1340455365331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340455360331) 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, 3016551 + ... + 3432271.

It is an arithmetic number, because the mean of its divisors is an integer number (168055618500).

Almost surely, 2^{1340455365331} is an apocalyptic number.

1340455365331 is a deficient number, since it is larger than the sum of its proper divisors (3989582669).

1340455365331 is an equidigital number, since it uses as much as digits as its factorization.

1340455365331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425309.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 1340455365331 in words is "one trillion, three hundred forty billion, four hundred fifty-five million, three hundred sixty-five thousand, three hundred thirty-one".