1002225531331 has 4 divisors (see below), whose sum is σ = 1002494444512. Its totient is φ = 1001956618152.

The previous prime is 1002225531271. The next prime is 1002225531353. The reversal of 1002225531331 is 1331355222001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002225531331 - 2¹⁷ = 1002225400259 is a prime.

It is a super-2 number, since 2×1002225531331² (a number of 25 digits) contains 22 as substring.

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 1002225531331.

It is not an unprimeable number, because it can be changed into a prime (1002225531631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134451000 + ... + 134458453.

It is an arithmetic number, because the mean of its divisors is an integer number (250623611128).

Almost surely, 2^{1002225531331} is an apocalyptic number.

1002225531331 is a deficient number, since it is larger than the sum of its proper divisors (268913181).

1002225531331 is an equidigital number, since it uses as much as digits as its factorization.

1002225531331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268913180.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 1002225531331 in words is "one trillion, two billion, two hundred twenty-five million, five hundred thirty-one thousand, three hundred thirty-one".