3143481 has 8 divisors (see below), whose sum is σ = 4572384. Its totient is φ = 1905120.

The previous prime is 3143477. The next prime is 3143533. The reversal of 3143481 is 1843413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3143481 - 2² = 3143477 is a prime.

It is a super-2 number, since 2×3143481² = 19762945594722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3143401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47596 + ... + 47661.

It is an arithmetic number, because the mean of its divisors is an integer number (571548).

Almost surely, 2^3143481 is an apocalyptic number.

It is an amenable number.

3143481 is a deficient number, since it is larger than the sum of its proper divisors (1428903).

3143481 is a wasteful number, since it uses less digits than its factorization.

3143481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95271.

The product of its digits is 1152, while the sum is 24.

The square root of 3143481 is about 1772.9864635693. The cubic root of 3143481 is about 146.4885274090.

Adding to 3143481 its reverse (1843413), we get a palindrome (4986894).

The spelling of 3143481 in words is "three million, one hundred forty-three thousand, four hundred eighty-one".