1330116231 has 4 divisors (see below), whose sum is σ = 1773488312. Its totient is φ = 886744152.

The previous prime is 1330116191. The next prime is 1330116239. The reversal of 1330116231 is 1326110331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1330116231 - 2⁷ = 1330116103 is a prime.

It is a super-2 number, since 2×1330116231² = 3538418375939290722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330116198 and 1330116207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330116239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221686036 + ... + 221686041.

It is an arithmetic number, because the mean of its divisors is an integer number (443372078).

Almost surely, 2^1330116231 is an apocalyptic number.

1330116231 is a deficient number, since it is larger than the sum of its proper divisors (443372081).

1330116231 is an equidigital number, since it uses as much as digits as its factorization.

1330116231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443372080.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1330116231 is about 36470.7585745073. The cubic root of 1330116231 is about 1099.7564835602.

Adding to 1330116231 its reverse (1326110331), we get a palindrome (2656226562).

The spelling of 1330116231 in words is "one billion, three hundred thirty million, one hundred sixteen thousand, two hundred thirty-one".