1331325032 has 8 divisors (see below), whose sum is σ = 2496234450. Its totient is φ = 665662512.

The previous prime is 1331324999. The next prime is 1331325043. The reversal of 1331325032 is 2305231331.

It can be written as a sum of positive squares in only one way, i.e., 821739556 + 509585476 = 28666^2 + 22574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1331324989 and 1331325007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83207807 + ... + 83207822.

Almost surely, 2^1331325032 is an apocalyptic number.

It is an amenable number.

1331325032 is a deficient number, since it is larger than the sum of its proper divisors (1164909418).

1331325032 is a wasteful number, since it uses less digits than its factorization.

1331325032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166415635 (or 166415631 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1331325032 is about 36487.3270054138. The cubic root of 1331325032 is about 1100.0895332082.

Adding to 1331325032 its reverse (2305231331), we get a palindrome (3636556363).

The spelling of 1331325032 in words is "one billion, three hundred thirty-one million, three hundred twenty-five thousand, thirty-two".