3141381 has 4 divisors (see below), whose sum is σ = 4188512. Its totient is φ = 2094252.

The previous prime is 3141373. The next prime is 3141389. The reversal of 3141381 is 1831413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3141373) and next prime (3141389).

It is not a de Polignac number, because 3141381 - 2³ = 3141373 is a prime.

It is a super-2 number, since 2×3141381² = 19736549174322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

3141381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3141389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523561 + ... + 523566.

It is an arithmetic number, because the mean of its divisors is an integer number (1047128).

Almost surely, 2^3141381 is an apocalyptic number.

It is an amenable number.

3141381 is a deficient number, since it is larger than the sum of its proper divisors (1047131).

3141381 is a wasteful number, since it uses less digits than its factorization.

3141381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047130.

The product of its digits is 288, while the sum is 21.

The square root of 3141381 is about 1772.3941435245. The cubic root of 3141381 is about 146.4558996273.

Adding to 3141381 its reverse (1831413), we get a palindrome (4972794).

The spelling of 3141381 in words is "three million, one hundred forty-one thousand, three hundred eighty-one".