581232056313 has 16 divisors (see below), whose sum is σ = 779502370752. Its totient is φ = 385230600000.

The previous prime is 581232056309. The next prime is 581232056417. The reversal of 581232056313 is 313650232185.

581232056313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 581232056313 - 2² = 581232056309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (581232056513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306018 + ... + 1120763.

It is an arithmetic number, because the mean of its divisors is an integer number (48718898172).

Almost surely, 2^581232056313 is an apocalyptic number.

It is an amenable number.

581232056313 is a deficient number, since it is larger than the sum of its proper divisors (198270314439).

581232056313 is a wasteful number, since it uses less digits than its factorization.

581232056313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427576.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 581232056313 its reverse (313650232185), we get a palindrome (894882288498).

The spelling of 581232056313 in words is "five hundred eighty-one billion, two hundred thirty-two million, fifty-six thousand, three hundred thirteen".