4148031 has 4 divisors (see below), whose sum is σ = 5530712. Its totient is φ = 2765352.

The previous prime is 4148029. The next prime is 4148041. The reversal of 4148031 is 1308414.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4148031 - 2¹ = 4148029 is a prime.

It is a super-2 number, since 2×4148031² = 34412322353922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4148031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4147989 and 4148007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4148041) 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, 691336 + ... + 691341.

It is an arithmetic number, because the mean of its divisors is an integer number (1382678).

Almost surely, 2^4148031 is an apocalyptic number.

4148031 is a deficient number, since it is larger than the sum of its proper divisors (1382681).

4148031 is a wasteful number, since it uses less digits than its factorization.

4148031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382680.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4148031 is about 2036.6715493668. The cubic root of 4148031 is about 160.6746383752.

The spelling of 4148031 in words is "four million, one hundred forty-eight thousand, thirty-one".