1334031331321 has 8 divisors (see below), whose sum is σ = 1436865159240. Its totient is φ = 1231228365312.

The previous prime is 1334031331319. The next prime is 1334031331333. The reversal of 1334031331321 is 1231331304331.

It can be written as a sum of positive squares in 4 ways, for example, as 294979334400 + 1039051996921 = 543120^2 + 1019339^2 .

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 1334031331321 - 2¹ = 1334031331319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1334031331321.

It is not an unprimeable number, because it can be changed into a prime (1334031331361) 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, 7625656 + ... + 7798633.

It is an arithmetic number, because the mean of its divisors is an integer number (179608144905).

Almost surely, 2^{1334031331321} is an apocalyptic number.

It is an amenable number.

1334031331321 is a deficient number, since it is larger than the sum of its proper divisors (102833827919).

1334031331321 is a wasteful number, since it uses less digits than its factorization.

1334031331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15430955.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 1334031331321 its reverse (1231331304331), we get a palindrome (2565362635652).

The spelling of 1334031331321 in words is "one trillion, three hundred thirty-four billion, thirty-one million, three hundred thirty-one thousand, three hundred twenty-one".