1312154332 has 6 divisors (see below), whose sum is σ = 2296270088. Its totient is φ = 656077164.

The previous prime is 1312154297. The next prime is 1312154339. The reversal of 1312154332 is 2334512131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1312154297 and 1312154306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312154339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164019288 + ... + 164019295.

Almost surely, 2^1312154332 is an apocalyptic number.

It is an amenable number.

1312154332 is a deficient number, since it is larger than the sum of its proper divisors (984115756).

1312154332 is a wasteful number, since it uses less digits than its factorization.

1312154332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328038587 (or 328038585 counting only the distinct ones).

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

The square root of 1312154332 is about 36223.6708796886. The cubic root of 1312154332 is about 1094.7836584614.

Adding to 1312154332 its reverse (2334512131), we get a palindrome (3646666463).

The spelling of 1312154332 in words is "one billion, three hundred twelve million, one hundred fifty-four thousand, three hundred thirty-two".