4012143031 has 4 divisors (see below), whose sum is σ = 4320769432. Its totient is φ = 3703516632.

The previous prime is 4012143029. The next prime is 4012143061. The reversal of 4012143031 is 1303412104.

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

It is a cyclic number.

It is not a de Polignac number, because 4012143031 - 2¹ = 4012143029 is a prime.

It is a super-2 number, since 2×4012143031² = 32194583402403733922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012143061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154313181 + ... + 154313206.

It is an arithmetic number, because the mean of its divisors is an integer number (1080192358).

Almost surely, 2^4012143031 is an apocalyptic number.

4012143031 is a deficient number, since it is larger than the sum of its proper divisors (308626401).

4012143031 is a wasteful number, since it uses less digits than its factorization.

4012143031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308626400.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4012143031 is about 63341.4795453974. The cubic root of 4012143031 is about 1589.0057509182.

Adding to 4012143031 its reverse (1303412104), we get a palindrome (5315555135).

The spelling of 4012143031 in words is "four billion, twelve million, one hundred forty-three thousand, thirty-one".