1002002202331 has 4 divisors (see below), whose sum is σ = 1079079294832. Its totient is φ = 924925109832.

The previous prime is 1002002202319. The next prime is 1002002202347. The reversal of 1002002202331 is 1332022002001.

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 1002002202331 - 2³⁷ = 864563248859 is a prime.

It is a super-2 number, since 2×1002002202331² (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 (1002002202431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38538546231 + ... + 38538546256.

It is an arithmetic number, because the mean of its divisors is an integer number (269769823708).

Almost surely, 2^{1002002202331} is an apocalyptic number.

1002002202331 is a deficient number, since it is larger than the sum of its proper divisors (77077092501).

1002002202331 is an equidigital number, since it uses as much as digits as its factorization.

1002002202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77077092500.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1002002202331 its reverse (1332022002001), we get a palindrome (2334024204332).

The spelling of 1002002202331 in words is "one trillion, two billion, two million, two hundred two thousand, three hundred thirty-one".