1312103132 has 12 divisors (see below), whose sum is σ = 2306209080. Its totient is φ = 653186256.

The previous prime is 1312103131. The next prime is 1312103137. The reversal of 1312103132 is 2313012131.

It is a super-2 number, since 2×1312103132² = 3443229258008418848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1312103132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312103131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715298 + ... + 717129.

It is an arithmetic number, because the mean of its divisors is an integer number (192184090).

Almost surely, 2^1312103132 is an apocalyptic number.

It is an amenable number.

1312103132 is a deficient number, since it is larger than the sum of its proper divisors (994105948).

1312103132 is a wasteful number, since it uses less digits than its factorization.

1312103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432660 (or 1432658 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1312103132 is about 36222.9641525925. The cubic root of 1312103132 is about 1094.7694188630.

Adding to 1312103132 its reverse (2313012131), we get a palindrome (3625115263).

The spelling of 1312103132 in words is "one billion, three hundred twelve million, one hundred three thousand, one hundred thirty-two".