313135652 has 6 divisors (see below), whose sum is σ = 547987398. Its totient is φ = 156567824.

The previous prime is 313135651. The next prime is 313135661. The reversal of 313135652 is 256531313.

It can be written as a sum of positive squares in only one way, i.e., 312794596 + 341056 = 17686^2 + 584^2 .

It is not an unprimeable number, because it can be changed into a prime (313135651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39141953 + ... + 39141960.

It is an arithmetic number, because the mean of its divisors is an integer number (91331233).

Almost surely, 2^313135652 is an apocalyptic number.

It is an amenable number.

313135652 is a deficient number, since it is larger than the sum of its proper divisors (234851746).

313135652 is a wasteful number, since it uses less digits than its factorization.

313135652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78283917 (or 78283915 counting only the distinct ones).

The product of its digits is 8100, while the sum is 29.

The square root of 313135652 is about 17695.6393498511. The cubic root of 313135652 is about 679.0642058605.

Adding to 313135652 its reverse (256531313), we get a palindrome (569666965).

It can be divided in two parts, 3131 and 35652, that added together give a palindrome (38783).

The spelling of 313135652 in words is "three hundred thirteen million, one hundred thirty-five thousand, six hundred fifty-two".