1331012432 has 10 divisors (see below), whose sum is σ = 2578836618. Its totient is φ = 665506208.

The previous prime is 1331012413. The next prime is 1331012443. The reversal of 1331012432 is 2342101331.

It can be written as a sum of positive squares in only one way, i.e., 891858496 + 439153936 = 29864^2 + 20956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41594123 + ... + 41594154.

Almost surely, 2^1331012432 is an apocalyptic number.

It is an amenable number.

1331012432 is a deficient number, since it is larger than the sum of its proper divisors (1247824186).

1331012432 is an equidigital number, since it uses as much as digits as its factorization.

1331012432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83188285 (or 83188279 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1331012432 is about 36483.0430748314. The cubic root of 1331012432 is about 1100.0034247827.

Adding to 1331012432 its reverse (2342101331), we get a palindrome (3673113763).

The spelling of 1331012432 in words is "one billion, three hundred thirty-one million, twelve thousand, four hundred thirty-two".