1031323130 has 8 divisors (see below), whose sum is σ = 1856381652. Its totient is φ = 412529248.

The previous prime is 1031323129. The next prime is 1031323133. The reversal of 1031323130 is 313231301.

It can be written as a sum of positive squares in 2 ways, for example, as 928969441 + 102353689 = 30479^2 + 10117^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1031323099 and 1031323108.

It is not an unprimeable number, because it can be changed into a prime (1031323133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51566147 + ... + 51566166.

Almost surely, 2^1031323130 is an apocalyptic number.

1031323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031323130 is a deficient number, since it is larger than the sum of its proper divisors (825058522).

1031323130 is a wasteful number, since it uses less digits than its factorization.

1031323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103132320.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1031323130 is about 32114.2200590330. The cubic root of 1031323130 is about 1010.3338862785. Note that the first 3 decimals are identical.

Adding to 1031323130 its reverse (313231301), we get a palindrome (1344554431).

The spelling of 1031323130 in words is "one billion, thirty-one million, three hundred twenty-three thousand, one hundred thirty".