581137320703 has 32 divisors (see below), whose sum is σ = 601926474240. Its totient is φ = 560837468160.

The previous prime is 581137320697. The next prime is 581137320707. The reversal of 581137320703 is 307023731185.

It is a cyclic number.

It is not a de Polignac number, because 581137320703 - 2¹⁷ = 581137189631 is a prime.

It is a super-2 number, since 2×581137320703² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581137320707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370859026 + ... + 370860592.

It is an arithmetic number, because the mean of its divisors is an integer number (18810202320).

Almost surely, 2^581137320703 is an apocalyptic number.

581137320703 is a deficient number, since it is larger than the sum of its proper divisors (20789153537).

581137320703 is a wasteful number, since it uses less digits than its factorization.

581137320703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 581137320703 in words is "five hundred eighty-one billion, one hundred thirty-seven million, three hundred twenty thousand, seven hundred three".