1311032552 has 8 divisors (see below), whose sum is σ = 2458186050. Its totient is φ = 655516272.

The previous prime is 1311032543. The next prime is 1311032573. The reversal of 1311032552 is 2552301131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1232992996 + 78039556 = 35114^2 + 8834^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81939527 + ... + 81939542.

Almost surely, 2^1311032552 is an apocalyptic number.

It is an amenable number.

1311032552 is a deficient number, since it is larger than the sum of its proper divisors (1147153498).

1311032552 is a wasteful number, since it uses less digits than its factorization.

1311032552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163879075 (or 163879071 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1311032552 is about 36208.1834948952. The cubic root of 1311032552 is about 1094.4715873063.

Adding to 1311032552 its reverse (2552301131), we get a palindrome (3863333683).

The spelling of 1311032552 in words is "one billion, three hundred eleven million, thirty-two thousand, five hundred fifty-two".