4042100031 has 8 divisors (see below), whose sum is σ = 5389762224. Its totient is φ = 2694585600.

The previous prime is 4042100021. The next prime is 4042100057. The reversal of 4042100031 is 1300012404.

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

It is not a de Polignac number, because 4042100031 - 2⁷ = 4042099903 is a prime.

It is a super-2 number, since 2×4042100031² = 32677145321220401922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042100021) 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, 77865 + ... + 118941.

It is an arithmetic number, because the mean of its divisors is an integer number (673720278).

Almost surely, 2^4042100031 is an apocalyptic number.

4042100031 is a deficient number, since it is larger than the sum of its proper divisors (1347662193).

4042100031 is a wasteful number, since it uses less digits than its factorization.

4042100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73881.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4042100031 is about 63577.5119912694. The cubic root of 4042100031 is about 1592.9507631426.

Adding to 4042100031 its reverse (1300012404), we get a palindrome (5342112435).

The spelling of 4042100031 in words is "four billion, forty-two million, one hundred thousand, thirty-one".