1331034436 has 36 divisors (see below), whose sum is σ = 2464958748. Its totient is φ = 628798464.

The previous prime is 1331034377. The next prime is 1331034437. The reversal of 1331034436 is 6344301331.

It can be written as a sum of positive squares in 2 ways, for example, as 1138657536 + 192376900 = 33744^2 + 13870^2 .

It is not an unprimeable number, because it can be changed into a prime (1331034437) 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 in 11 ways as a sum of consecutive naturals, for example, 658900 + ... + 660916.

Almost surely, 2^1331034436 is an apocalyptic number.

It is an amenable number.

1331034436 is a deficient number, since it is larger than the sum of its proper divisors (1133924312).

1331034436 is a wasteful number, since it uses less digits than its factorization.

1331034436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 1331034436 is about 36483.3446383415. The cubic root of 1331034436 is about 1100.0094864196.

Adding to 1331034436 its reverse (6344301331), we get a palindrome (7675335767).

The spelling of 1331034436 in words is "one billion, three hundred thirty-one million, thirty-four thousand, four hundred thirty-six".