1021311002 has 8 divisors (see below), whose sum is σ = 1553543712. Its totient is φ = 503463100.

The previous prime is 1021310993. The next prime is 1021311019. The reversal of 1021311002 is 2001131201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3596024 + ... + 3596307.

It is an arithmetic number, because the mean of its divisors is an integer number (194192964).

Almost surely, 2^1021311002 is an apocalyptic number.

1021311002 is a deficient number, since it is larger than the sum of its proper divisors (532232710).

1021311002 is an equidigital number, since it uses as much as digits as its factorization.

1021311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192404.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1021311002 is about 31957.9567870038. The cubic root of 1021311002 is about 1007.0537943293.

Adding to 1021311002 its reverse (2001131201), we get a palindrome (3022442203).

The spelling of 1021311002 in words is "one billion, twenty-one million, three hundred eleven thousand, two".