1312132441 has 8 divisors (see below), whose sum is σ = 1330734600. Its totient is φ = 1293547392.

The previous prime is 1312132427. The next prime is 1312132477. The reversal of 1312132441 is 1442312131.

It can be written as a sum of positive squares in 4 ways, for example, as 70627216 + 1241505225 = 8404^2 + 35235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312132441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312132541) 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, 299535 + ... + 303883.

It is an arithmetic number, because the mean of its divisors is an integer number (166341825).

Almost surely, 2^1312132441 is an apocalyptic number.

It is an amenable number.

1312132441 is a deficient number, since it is larger than the sum of its proper divisors (18602159).

1312132441 is an equidigital number, since it uses as much as digits as its factorization.

1312132441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555.

The product of its digits is 576, while the sum is 22.

The square root of 1312132441 is about 36223.3687141326. The cubic root of 1312132441 is about 1094.7775702441. Note that the first 3 decimals are identical.

Adding to 1312132441 its reverse (1442312131), we get a palindrome (2754444572).

The spelling of 1312132441 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, four hundred forty-one".