1341352381 has 2 divisors, whose sum is σ = 1341352382. Its totient is φ = 1341352380.

The previous prime is 1341352349. The next prime is 1341352391. The reversal of 1341352381 is 1832531431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766791481 + 574560900 = 27691^2 + 23970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341352381 - 2⁵ = 1341352349 is a prime.

It is a super-2 number, since 2×1341352381² = 3598452420028738322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341352391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670676190 + 670676191.

It is an arithmetic number, because the mean of its divisors is an integer number (670676191).

Almost surely, 2^1341352381 is an apocalyptic number.

It is an amenable number.

1341352381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341352381 is an equidigital number, since it uses as much as digits as its factorization.

1341352381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 1341352381 is about 36624.4778938895. The cubic root of 1341352381 is about 1102.8445334603.

The spelling of 1341352381 in words is "one billion, three hundred forty-one million, three hundred fifty-two thousand, three hundred eighty-one".