381269331 has 12 divisors (see below), whose sum is σ = 552360952. Its totient is φ = 253423296.

The previous prime is 381269309. The next prime is 381269359. The reversal of 381269331 is 133962183.

It is a de Polignac number, because none of the positive numbers 2^k-381269331 is a prime.

It is a super-2 number, since 2×381269331² = 290732605522375122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381262331) 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 11 ways as a sum of consecutive naturals, for example, 59821 + ... + 65886.

Almost surely, 2^381269331 is an apocalyptic number.

381269331 is a deficient number, since it is larger than the sum of its proper divisors (171091621).

381269331 is a wasteful number, since it uses less digits than its factorization.

381269331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126050 (or 126047 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 381269331 is about 19526.1191996771. The cubic root of 381269331 is about 725.1212360077.

The spelling of 381269331 in words is "three hundred eighty-one million, two hundred sixty-nine thousand, three hundred thirty-one".