731130 has 16 divisors (see below), whose sum is σ = 1754784. Its totient is φ = 194960.

The previous prime is 731117. The next prime is 731141. The reversal of 731130 is 31137.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12156 + ... + 12215.

It is an arithmetic number, because the mean of its divisors is an integer number (109674).

2⁷³¹¹³⁰ is an apocalyptic number.

731130 is an abundant number, since it is smaller than the sum of its proper divisors (1023654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

731130 is a wasteful number, since it uses less digits than its factorization.

731130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24381.

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

The square root of 731130 is about 855.0614013040. The cubic root of 731130 is about 90.0875690895.

Adding to 731130 its reverse (31137), we get a palindrome (762267).

It can be divided in two parts, 731 and 130, that added together give a triangular number (861 = T₄₁).

The spelling of 731130 in words is "seven hundred thirty-one thousand, one hundred thirty".