1312202203 has 4 divisors (see below), whose sum is σ = 1413140848. Its totient is φ = 1211263560.

The previous prime is 1312202189. The next prime is 1312202207. The reversal of 1312202203 is 3022022131.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1312202203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312202207) by changing a digit.

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, 50469303 + ... + 50469328.

It is an arithmetic number, because the mean of its divisors is an integer number (353285212).

Almost surely, 2^1312202203 is an apocalyptic number.

1312202203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1312202203 is a deficient number, since it is larger than the sum of its proper divisors (100938645).

1312202203 is a wasteful number, since it uses less digits than its factorization.

1312202203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100938644.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1312202203 is about 36224.3316432477. The cubic root of 1312202203 is about 1094.7969718728.

Adding to 1312202203 its reverse (3022022131), we get a palindrome (4334224334).

The spelling of 1312202203 in words is "one billion, three hundred twelve million, two hundred two thousand, two hundred three".