1312103202 has 16 divisors (see below), whose sum is σ = 2714696640. Its totient is φ = 422286032.

The previous prime is 1312103201. The next prime is 1312103249. The reversal of 1312103202 is 2023012131.

It is a super-2 number, since 2×1312103202² = 3443229625397305608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312103201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3770238 + ... + 3770585.

It is an arithmetic number, because the mean of its divisors is an integer number (169668540).

Almost surely, 2^1312103202 is an apocalyptic number.

1312103202 is an abundant number, since it is smaller than the sum of its proper divisors (1402593438).

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

1312103202 is a wasteful number, since it uses less digits than its factorization.

1312103202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540857.

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

The square root of 1312103202 is about 36222.9651188303. The cubic root of 1312103202 is about 1094.7694383314.

Adding to 1312103202 its reverse (2023012131), we get a palindrome (3335115333).

The spelling of 1312103202 in words is "one billion, three hundred twelve million, one hundred three thousand, two hundred two".