1130303231 has 8 divisors (see below), whose sum is σ = 1133740800. Its totient is φ = 1126872280.

The previous prime is 1130303227. The next prime is 1130303233. The reversal of 1130303231 is 1323030311.

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

It is a cyclic number.

It is not a de Polignac number, because 1130303231 - 2² = 1130303227 is a prime.

It is a super-2 number, since 2×1130303231² = 2555170788018078722, which 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 (1130303233) 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, 697340 + ... + 698958.

It is an arithmetic number, because the mean of its divisors is an integer number (141717600).

Almost surely, 2^1130303231 is an apocalyptic number.

1130303231 is a deficient number, since it is larger than the sum of its proper divisors (3437569).

1130303231 is an equidigital number, since it uses as much as digits as its factorization.

1130303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309.

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

The square root of 1130303231 is about 33619.9826145107. The cubic root of 1130303231 is about 1041.6735969615.

Adding to 1130303231 its reverse (1323030311), we get a palindrome (2453333542).

The spelling of 1130303231 in words is "one billion, one hundred thirty million, three hundred three thousand, two hundred thirty-one".