4031023121 has 8 divisors (see below), whose sum is σ = 4057542720. Its totient is φ = 4004532208.

The previous prime is 4031023081. The next prime is 4031023133. The reversal of 4031023121 is 1213201304.

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

It is a cyclic number.

It is not a de Polignac number, because 4031023121 - 2⁶ = 4031023057 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 4031023121.

It is not an unprimeable number, because it can be changed into a prime (4031023181) 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, 324395 + ... + 336591.

It is an arithmetic number, because the mean of its divisors is an integer number (507192840).

Almost surely, 2^4031023121 is an apocalyptic number.

It is an amenable number.

4031023121 is a deficient number, since it is larger than the sum of its proper divisors (26519599).

4031023121 is a wasteful number, since it uses less digits than its factorization.

4031023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14343.

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

The square root of 4031023121 is about 63490.3388004821. The cubic root of 4031023121 is about 1591.4943325174.

Adding to 4031023121 its reverse (1213201304), we get a palindrome (5244224425).

The spelling of 4031023121 in words is "four billion, thirty-one million, twenty-three thousand, one hundred twenty-one".