1045321314421 has 8 divisors (see below), whose sum is σ = 1062476499744. Its totient is φ = 1028211816720.

The previous prime is 1045321314379. The next prime is 1045321314463. The reversal of 1045321314421 is 1244131235401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1045321314379) and next prime (1045321314463).

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 1045321314421 - 2¹⁷ = 1045321183349 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 (1045321314221) 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, 11375770 + ... + 11467291.

It is an arithmetic number, because the mean of its divisors is an integer number (132809562468).

Almost surely, 2^{1045321314421} is an apocalyptic number.

It is an amenable number.

1045321314421 is a deficient number, since it is larger than the sum of its proper divisors (17155185323).

1045321314421 is an equidigital number, since it uses as much as digits as its factorization.

1045321314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22843811.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1045321314421 its reverse (1244131235401), we get a palindrome (2289452549822).

The spelling of 1045321314421 in words is "one trillion, forty-five billion, three hundred twenty-one million, three hundred fourteen thousand, four hundred twenty-one".