1320230131 has 8 divisors (see below), whose sum is σ = 1445992128. Its totient is φ = 1195425000.

The previous prime is 1320230129. The next prime is 1320230179. The reversal of 1320230131 is 1310320231.

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

It is not a de Polignac number, because 1320230131 - 2¹ = 1320230129 is a prime.

It is a super-2 number, since 2×1320230131² = 3486015197600554322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320230531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236325 + ... + 241846.

It is an arithmetic number, because the mean of its divisors is an integer number (180749016).

Almost surely, 2^1320230131 is an apocalyptic number.

1320230131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320230131 is a deficient number, since it is larger than the sum of its proper divisors (125761997).

1320230131 is a wasteful number, since it uses less digits than its factorization.

1320230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478433.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1320230131 is about 36334.9711847966. The cubic root of 1320230131 is about 1097.0250554699.

Adding to 1320230131 its reverse (1310320231), we get a palindrome (2630550362).

The spelling of 1320230131 in words is "one billion, three hundred twenty million, two hundred thirty thousand, one hundred thirty-one".