381231274 has 16 divisors (see below), whose sum is σ = 595123200. Its totient is φ = 182935984.

The previous prime is 381231209. The next prime is 381231283. The reversal of 381231274 is 472132183.

It is a super-3 number, since 3×381231274³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9994 + ... + 29365.

It is an arithmetic number, because the mean of its divisors is an integer number (37195200).

Almost surely, 2^381231274 is an apocalyptic number.

381231274 is a deficient number, since it is larger than the sum of its proper divisors (213891926).

381231274 is a wasteful number, since it uses less digits than its factorization.

381231274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39557.

The product of its digits is 8064, while the sum is 31.

The square root of 381231274 is about 19525.1446601555. The cubic root of 381231274 is about 725.0971088314.

Subtracting 381231274 from its reverse (472132183), we obtain a palindrome (90900909).

The spelling of 381231274 in words is "three hundred eighty-one million, two hundred thirty-one thousand, two hundred seventy-four".