4031223101 has 4 divisors (see below), whose sum is σ = 4046909052. Its totient is φ = 4015537152.

The previous prime is 4031223083. The next prime is 4031223113. The reversal of 4031223101 is 1013221304.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2451240100 + 1579983001 = 49510^2 + 39749^2 .

It is a cyclic number.

It is not a de Polignac number, because 4031223101 - 2¹⁸ = 4030960957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4031223101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031223151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7842590 + ... + 7843103.

It is an arithmetic number, because the mean of its divisors is an integer number (1011727263).

Almost surely, 2^4031223101 is an apocalyptic number.

It is an amenable number.

4031223101 is a deficient number, since it is larger than the sum of its proper divisors (15685951).

4031223101 is a wasteful number, since it uses less digits than its factorization.

4031223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15685950.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4031223101 is about 63491.9136662300. The cubic root of 4031223101 is about 1591.5206502176.

Adding to 4031223101 its reverse (1013221304), we get a palindrome (5044444405).

The spelling of 4031223101 in words is "four billion, thirty-one million, two hundred twenty-three thousand, one hundred one".