1311652352 has 20 divisors (see below), whose sum is σ = 2620743906. Its totient is φ = 655825920.

The previous prime is 1311652351. The next prime is 1311652411. The reversal of 1311652352 is 2532561131.

It can be written as a sum of positive squares in only one way, i.e., 1035294976 + 276357376 = 32176^2 + 16624^2 .

It is not an unprimeable number, because it can be changed into a prime (1311652351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280399 + ... + 1281422.

Almost surely, 2^1311652352 is an apocalyptic number.

It is an amenable number.

1311652352 is a deficient number, since it is larger than the sum of its proper divisors (1309091554).

1311652352 is an frugal number, since it uses more digits than its factorization.

1311652352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561839 (or 2561823 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 1311652352 is about 36216.7413222117. The cubic root of 1311652352 is about 1094.6440332201.

The spelling of 1311652352 in words is "one billion, three hundred eleven million, six hundred fifty-two thousand, three hundred fifty-two".