534631313 has 4 divisors (see below), whose sum is σ = 536619060. Its totient is φ = 532643568.

The previous prime is 534631309. The next prime is 534631319. The reversal of 534631313 is 313136435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 270503809 + 264127504 = 16447^2 + 16252^2 .

It is a cyclic number.

It is not a de Polignac number, because 534631313 - 2² = 534631309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534631319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993470 + ... + 994007.

It is an arithmetic number, because the mean of its divisors is an integer number (134154765).

Almost surely, 2^534631313 is an apocalyptic number.

It is an amenable number.

534631313 is a deficient number, since it is larger than the sum of its proper divisors (1987747).

534631313 is a wasteful number, since it uses less digits than its factorization.

534631313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987746.

The product of its digits is 9720, while the sum is 29.

The square root of 534631313 is about 23122.0957743886. The cubic root of 534631313 is about 811.6176143090.

Adding to 534631313 its reverse (313136435), we get a palindrome (847767748).

The spelling of 534631313 in words is "five hundred thirty-four million, six hundred thirty-one thousand, three hundred thirteen".