4031021434 has 32 divisors (see below), whose sum is σ = 6674242176. Its totient is φ = 1810667520.

The previous prime is 4031021413. The next prime is 4031021461. The reversal of 4031021434 is 4341201304.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2267554 + ... + 2269330.

It is an arithmetic number, because the mean of its divisors is an integer number (208570068).

Almost surely, 2^4031021434 is an apocalyptic number.

4031021434 is a deficient number, since it is larger than the sum of its proper divisors (2643220742).

4031021434 is a wasteful number, since it uses less digits than its factorization.

4031021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4031021434 is about 63490.3255149948. The cubic root of 4031021434 is about 1591.4941105017.

Adding to 4031021434 its reverse (4341201304), we get a palindrome (8372222738).

The spelling of 4031021434 in words is "four billion, thirty-one million, twenty-one thousand, four hundred thirty-four".