1312541332 has 12 divisors (see below), whose sum is σ = 2297744820. Its totient is φ = 656042816.

The previous prime is 1312541311. The next prime is 1312541357. The reversal of 1312541332 is 2331452131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 207244816 + 1105296516 = 14396^2 + 33246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312541297 and 1312541306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43657 + ... + 67312.

It is an arithmetic number, because the mean of its divisors is an integer number (191478735).

Almost surely, 2^1312541332 is an apocalyptic number.

It is an amenable number.

1312541332 is a deficient number, since it is larger than the sum of its proper divisors (985203488).

1312541332 is a wasteful number, since it uses less digits than its factorization.

1312541332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113930 (or 113928 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1312541332 is about 36229.0122967767. The cubic root of 1312541332 is about 1094.8912778218.

Adding to 1312541332 its reverse (2331452131), we get a palindrome (3643993463).

The spelling of 1312541332 in words is "one billion, three hundred twelve million, five hundred forty-one thousand, three hundred thirty-two".