1312302002 has 16 divisors (see below), whose sum is σ = 2150209152. Its totient is φ = 595721520.

The previous prime is 1312301987. The next prime is 1312302011. The reversal of 1312302002 is 2002032131.

It is a happy number.

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, 21578 + ... + 55589.

It is an arithmetic number, because the mean of its divisors is an integer number (134388072).

Almost surely, 2^1312302002 is an apocalyptic number.

1312302002 is a deficient number, since it is larger than the sum of its proper divisors (837907150).

1312302002 is a wasteful number, since it uses less digits than its factorization.

1312302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77953.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1312302002 is about 36225.7091303952. The cubic root of 1312302002 is about 1094.8247259473.

Adding to 1312302002 its reverse (2002032131), we get a palindrome (3314334133).

The spelling of 1312302002 in words is "one billion, three hundred twelve million, three hundred two thousand, two".