381711273 has 16 divisors (see below), whose sum is σ = 542196480. Its totient is φ = 238173264.

The previous prime is 381711259. The next prime is 381711283. The reversal of 381711273 is 372117183.

It is not a de Polignac number, because 381711273 - 2⁴ = 381711257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381711283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35611 + ... + 45072.

It is an arithmetic number, because the mean of its divisors is an integer number (33887280).

Almost surely, 2^381711273 is an apocalyptic number.

It is an amenable number.

381711273 is a deficient number, since it is larger than the sum of its proper divisors (160485207).

381711273 is a wasteful number, since it uses less digits than its factorization.

381711273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80788.

The product of its digits is 7056, while the sum is 33.

The square root of 381711273 is about 19537.4326102485. The cubic root of 381711273 is about 725.4012985634.

The spelling of 381711273 in words is "three hundred eighty-one million, seven hundred eleven thousand, two hundred seventy-three".