56305323131 has 8 divisors (see below), whose sum is σ = 56672005104. Its totient is φ = 55939458400.

The previous prime is 56305323101. The next prime is 56305323199. The reversal of 56305323131 is 13132350365.

56305323131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56305323131 is a prime.

It is a super-2 number, since 2×56305323131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56305323101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65765 + ... + 341958.

It is an arithmetic number, because the mean of its divisors is an integer number (7084000638).

Almost surely, 2^56305323131 is an apocalyptic number.

56305323131 is a deficient number, since it is larger than the sum of its proper divisors (366681973).

56305323131 is a wasteful number, since it uses less digits than its factorization.

56305323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408621.

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 56305323131 its reverse (13132350365), we get a palindrome (69437673496).

The spelling of 56305323131 in words is "fifty-six billion, three hundred five million, three hundred twenty-three thousand, one hundred thirty-one".