4113031021 has 8 divisors (see below), whose sum is σ = 4491298944. Its totient is φ = 3735489120.

The previous prime is 4113031019. The next prime is 4113031067. The reversal of 4113031021 is 1201303114.

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

It is not a de Polignac number, because 4113031021 - 2¹ = 4113031019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4113030986 and 4113031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4113031081) 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, 169621 + ... + 192346.

It is an arithmetic number, because the mean of its divisors is an integer number (561412368).

Almost surely, 2^4113031021 is an apocalyptic number.

It is an amenable number.

4113031021 is a deficient number, since it is larger than the sum of its proper divisors (378267923).

4113031021 is a wasteful number, since it uses less digits than its factorization.

4113031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363011.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 4113031021 is about 64132.9168290356. The cubic root of 4113031021 is about 1602.2145143990.

Adding to 4113031021 its reverse (1201303114), we get a palindrome (5314334135).

The spelling of 4113031021 in words is "four billion, one hundred thirteen million, thirty-one thousand, twenty-one".