1002231131102 has 4 divisors (see below), whose sum is σ = 1503346696656. Its totient is φ = 501115565550.

The previous prime is 1002231131101. The next prime is 1002231131129. The reversal of 1002231131102 is 2011311322001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002231131101) 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 as a sum of consecutive naturals, namely, 250557782774 + ... + 250557782777.

It is an arithmetic number, because the mean of its divisors is an integer number (375836674164).

Almost surely, 2^{1002231131102} is an apocalyptic number.

1002231131102 is a deficient number, since it is larger than the sum of its proper divisors (501115565554).

1002231131102 is an equidigital number, since it uses as much as digits as its factorization.

1002231131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501115565553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1002231131102 its reverse (2011311322001), we get a palindrome (3013542453103).

The spelling of 1002231131102 in words is "one trillion, two billion, two hundred thirty-one million, one hundred thirty-one thousand, one hundred two".