1310513552 has 10 divisors (see below), whose sum is σ = 2539120038. Its totient is φ = 655256768.

The previous prime is 1310513521. The next prime is 1310513587. The reversal of 1310513552 is 2553150131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1245807616 + 64705936 = 35296^2 + 8044^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40953533 + ... + 40953564.

Almost surely, 2^1310513552 is an apocalyptic number.

It is an amenable number.

1310513552 is a deficient number, since it is larger than the sum of its proper divisors (1228606486).

1310513552 is an equidigital number, since it uses as much as digits as its factorization.

1310513552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81907105 (or 81907099 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1310513552 is about 36201.0158973474. The cubic root of 1310513552 is about 1094.3271449925.

Adding to 1310513552 its reverse (2553150131), we get a palindrome (3863663683).

The spelling of 1310513552 in words is "one billion, three hundred ten million, five hundred thirteen thousand, five hundred fifty-two".