1312432522 has 8 divisors (see below), whose sum is σ = 1969114500. Its totient is φ = 656061024.

The previous prime is 1312432519. The next prime is 1312432531. The reversal of 1312432522 is 2252342131.

It can be written as a sum of positive squares in 2 ways, for example, as 1047752161 + 264680361 = 32369^2 + 16269^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66747 + ... + 84142.

Almost surely, 2^1312432522 is an apocalyptic number.

1312432522 is a deficient number, since it is larger than the sum of its proper divisors (656681978).

1312432522 is a wasteful number, since it uses less digits than its factorization.

1312432522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155240.

The product of its digits is 2880, while the sum is 25.

The square root of 1312432522 is about 36227.5105686273. The cubic root of 1312432522 is about 1094.8610214001.

Adding to 1312432522 its reverse (2252342131), we get a palindrome (3564774653).

The spelling of 1312432522 in words is "one billion, three hundred twelve million, four hundred thirty-two thousand, five hundred twenty-two".