1002243131 has 2 divisors, whose sum is σ = 1002243132. Its totient is φ = 1002243130.

The previous prime is 1002243049. The next prime is 1002243133. The reversal of 1002243131 is 1313422001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002243131 is a prime.

It is a super-2 number, since 2×1002243131² = 2008982587273366322, which contains 22 as substring.

Together with 1002243133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1002243133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501121565 + 501121566.

It is an arithmetic number, because the mean of its divisors is an integer number (501121566).

Almost surely, 2^1002243131 is an apocalyptic number.

1002243131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002243131 is an equidigital number, since it uses as much as digits as its factorization.

1002243131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1002243131 is about 31658.2237499200. The cubic root of 1002243131 is about 1000.7471519583.

Adding to 1002243131 its reverse (1313422001), we get a palindrome (2315665132).

The spelling of 1002243131 in words is "one billion, two million, two hundred forty-three thousand, one hundred thirty-one".