4021031034 has 12 divisors (see below), whose sum is σ = 8712233946. Its totient is φ = 1340343672.

The previous prime is 4021031017. The next prime is 4021031087. The reversal of 4021031034 is 4301301204.

It can be written as a sum of positive squares in only one way, i.e., 2406196809 + 1614834225 = 49053^2 + 40185^2 .

It is a super-2 number, since 2×4021031034² = 32337381152782218312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 223390613 = 4021031034 / (4 + 0 + 2 + 1 + 0 + 3 + 1 + 0 + 3 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 4021030998 and 4021031016.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 111695289 + ... + 111695324.

Almost surely, 2^4021031034 is an apocalyptic number.

4021031034 is an abundant number, since it is smaller than the sum of its proper divisors (4691202912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021031034 is a wasteful number, since it uses less digits than its factorization.

4021031034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223390621 (or 223390618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4021031034 is about 63411.6001532843. The cubic root of 4021031034 is about 1590.1782474904.

Adding to 4021031034 its reverse (4301301204), we get a palindrome (8322332238).

The spelling of 4021031034 in words is "four billion, twenty-one million, thirty-one thousand, thirty-four".