730131 has 8 divisors (see below), whose sum is σ = 979200. Its totient is φ = 483912.

The previous prime is 730111. The next prime is 730139. The reversal of 730131 is 131037.

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

It is not a de Polignac number, because 730131 - 2⁷ = 730003 is a prime.

It is a super-2 number, since 2×730131² = 1066182554322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 730131.

It is not an unprimeable number, because it can be changed into a prime (730139) 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, 15 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (122400).

2⁷³⁰¹³¹ is an apocalyptic number.

730131 is a deficient number, since it is larger than the sum of its proper divisors (249069).

730131 is a wasteful number, since it uses less digits than its factorization.

730131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 730131 is about 854.4770330442. The cubic root of 730131 is about 90.0465191609.

Adding to 730131 its reverse (131037), we get a palindrome (861168).

It can be divided in two parts, 730 and 131, that added together give a triangular number (861 = T₄₁).

The spelling of 730131 in words is "seven hundred thirty thousand, one hundred thirty-one".