1311472332 has 18 divisors (see below), whose sum is σ = 3315110708. Its totient is φ = 437157432.

The previous prime is 1311472303. The next prime is 1311472343. The reversal of 1311472332 is 2332741131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1311472296 and 1311472305.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 18214858 + ... + 18214929.

Almost surely, 2^1311472332 is an apocalyptic number.

1311472332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311472332 is an abundant number, since it is smaller than the sum of its proper divisors (2003638376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311472332 is a wasteful number, since it uses less digits than its factorization.

1311472332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36429797 (or 36429792 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1311472332 is about 36214.2559222194. The cubic root of 1311472332 is about 1094.5939521564.

The spelling of 1311472332 in words is "one billion, three hundred eleven million, four hundred seventy-two thousand, three hundred thirty-two".