1320301231 has 4 divisors (see below), whose sum is σ = 1320437464. Its totient is φ = 1320165000.

The previous prime is 1320301211. The next prime is 1320301237. The reversal of 1320301231 is 1321030231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1321030231 = 23 ⋅57436097.

It is a cyclic number.

It is not a de Polignac number, because 1320301231 - 2¹⁹ = 1319776943 is a prime.

It is a super-2 number, since 2×1320301231² = 3486390681160230722, 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 (1320301237) 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 3 ways as a sum of consecutive naturals, for example, 52365 + ... + 73366.

It is an arithmetic number, because the mean of its divisors is an integer number (330109366).

Almost surely, 2^1320301231 is an apocalyptic number.

1320301231 is a deficient number, since it is larger than the sum of its proper divisors (136233).

1320301231 is a wasteful number, since it uses less digits than its factorization.

1320301231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136232.

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

The square root of 1320301231 is about 36335.9495678866. The cubic root of 1320301231 is about 1097.0447482693.

Adding to 1320301231 its reverse (1321030231), we get a palindrome (2641331462).

Subtracting 1320301231 from its reverse (1321030231), we obtain a cube (729000 = 90³).

The spelling of 1320301231 in words is "one billion, three hundred twenty million, three hundred one thousand, two hundred thirty-one".