1338352231 has 2 divisors, whose sum is σ = 1338352232. Its totient is φ = 1338352230.

The previous prime is 1338352207. The next prime is 1338352247. The reversal of 1338352231 is 1322538331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1338352231 - 2¹³ = 1338344039 is a prime.

It is a super-2 number, since 2×1338352231² = 3582373388445354722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1338352193 and 1338352202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338332231) 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 as a sum of consecutive naturals, namely, 669176115 + 669176116.

It is an arithmetic number, because the mean of its divisors is an integer number (669176116).

Almost surely, 2^1338352231 is an apocalyptic number.

1338352231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338352231 is an equidigital number, since it uses as much as digits as its factorization.

1338352231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 1338352231 is about 36583.4967027484. The cubic root of 1338352231 is about 1102.0216900484.

The spelling of 1338352231 in words is "one billion, three hundred thirty-eight million, three hundred fifty-two thousand, two hundred thirty-one".