1381223341 has 4 divisors (see below), whose sum is σ = 1381458172. Its totient is φ = 1380988512.

The previous prime is 1381223329. The next prime is 1381223351. The reversal of 1381223341 is 1433221831.

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

It can be written as a sum of positive squares in 2 ways, for example, as 296838441 + 1084384900 = 17229^2 + 32930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1381223341 - 2¹¹ = 1381221293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381223351) 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, 108360 + ... + 120433.

It is an arithmetic number, because the mean of its divisors is an integer number (345364543).

Almost surely, 2^1381223341 is an apocalyptic number.

It is an amenable number.

1381223341 is a deficient number, since it is larger than the sum of its proper divisors (234831).

1381223341 is an equidigital number, since it uses as much as digits as its factorization.

1381223341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234830.

The product of its digits is 3456, while the sum is 28.

The square root of 1381223341 is about 37164.8132108854. The cubic root of 1381223341 is about 1113.6651674291.

The spelling of 1381223341 in words is "one billion, three hundred eighty-one million, two hundred twenty-three thousand, three hundred forty-one".