2231320379 has 2 divisors, whose sum is σ = 2231320380. Its totient is φ = 2231320378.

The previous prime is 2231320339. The next prime is 2231320411. The reversal of 2231320379 is 9730231322.

It is an a-pointer prime, because the next prime (2231320411) can be obtained adding 2231320379 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231320379 - 2⁸ = 2231320123 is a prime.

It is a super-3 number, since 3×2231320379³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231320339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115660189 + 1115660190.

It is an arithmetic number, because the mean of its divisors is an integer number (1115660190).

Almost surely, 2^2231320379 is an apocalyptic number.

2231320379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231320379 is an equidigital number, since it uses as much as digits as its factorization.

2231320379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 2231320379 is about 47236.8540336886. The cubic root of 2231320379 is about 1306.7343594394.

The spelling of 2231320379 in words is "two billion, two hundred thirty-one million, three hundred twenty thousand, three hundred seventy-nine".