1312203002 has 32 divisors (see below), whose sum is σ = 2228143680. Its totient is φ = 574318080.

The previous prime is 1312202993. The next prime is 1312203019. The reversal of 1312203002 is 2003022131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70649 + ... + 87267.

It is an arithmetic number, because the mean of its divisors is an integer number (69629490).

Almost surely, 2^1312203002 is an apocalyptic number.

1312203002 is a deficient number, since it is larger than the sum of its proper divisors (915940678).

1312203002 is a wasteful number, since it uses less digits than its factorization.

1312203002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16766.

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

The square root of 1312203002 is about 36224.3426717449. The cubic root of 1312203002 is about 1094.7971940801.

Adding to 1312203002 its reverse (2003022131), we get a palindrome (3315225133).

The spelling of 1312203002 in words is "one billion, three hundred twelve million, two hundred three thousand, two".