1312132002 has 16 divisors (see below), whose sum is σ = 2630011872. Its totient is φ = 436419360.

The previous prime is 1312131983. The next prime is 1312132013. The reversal of 1312132002 is 2002312131.

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, 236524 + ... + 242007.

It is an arithmetic number, because the mean of its divisors is an integer number (164375742).

Almost surely, 2^1312132002 is an apocalyptic number.

1312132002 is an abundant number, since it is smaller than the sum of its proper divisors (1317879870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312132002 is a wasteful number, since it uses less digits than its factorization.

1312132002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478993.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1312132002 is about 36223.3626545079. The cubic root of 1312132002 is about 1094.7774481508. Note that the first 3 decimals are identical.

Adding to 1312132002 its reverse (2002312131), we get a palindrome (3314444133).

The spelling of 1312132002 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, two".