1002314021 has 2 divisors, whose sum is σ = 1002314022. Its totient is φ = 1002314020.

The previous prime is 1002313981. The next prime is 1002314069. The reversal of 1002314021 is 1204132001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595848100 + 406465921 = 24410^2 + 20161^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002314021 - 2⁶ = 1002313957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002313987 and 1002314005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002314081) 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, 501157010 + 501157011.

It is an arithmetic number, because the mean of its divisors is an integer number (501157011).

Almost surely, 2^1002314021 is an apocalyptic number.

It is an amenable number.

1002314021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002314021 is an equidigital number, since it uses as much as digits as its factorization.

1002314021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1002314021 is about 31659.3433444220. The cubic root of 1002314021 is about 1000.7707461311.

Adding to 1002314021 its reverse (1204132001), we get a palindrome (2206446022).

The spelling of 1002314021 in words is "one billion, two million, three hundred fourteen thousand, twenty-one".