1331000002 has 16 divisors (see below), whose sum is σ = 2004603552. Its totient is φ = 662804800.

The previous prime is 1330999997. The next prime is 1331000017. The reversal of 1331000002 is 2000001331.

It is a super-2 number, since 2×1331000002² = 3543122010648000008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932013 + ... + 933439.

It is an arithmetic number, because the mean of its divisors is an integer number (125287722).

Almost surely, 2^1331000002 is an apocalyptic number.

1331000002 is a deficient number, since it is larger than the sum of its proper divisors (673603550).

1331000002 is a wasteful number, since it uses less digits than its factorization.

1331000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1331000002 is about 36482.8727213195. The cubic root of 1331000002 is about 1100.0000005510. Note that the first 6 decimals are identical.

Adding to 1331000002 its reverse (2000001331), we get a palindrome (3331001333).

The spelling of 1331000002 in words is "one billion, three hundred thirty-one million, two", and thus it is an aban number.