4020031302 has 64 divisors (see below), whose sum is σ = 9294372864. Its totient is φ = 1135412640.

The previous prime is 4020031283. The next prime is 4020031313. The reversal of 4020031302 is 2031300204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3644083 + ... + 3645185.

It is an arithmetic number, because the mean of its divisors is an integer number (145224576).

Almost surely, 2^4020031302 is an apocalyptic number.

4020031302 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4020031302 is an abundant number, since it is smaller than the sum of its proper divisors (5274341562).

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

4020031302 is a wasteful number, since it uses less digits than its factorization.

4020031302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 4020031302 is about 63403.7167837975. The cubic root of 4020031302 is about 1590.0464501283.

Adding to 4020031302 its reverse (2031300204), we get a palindrome (6051331506).

The spelling of 4020031302 in words is "four billion, twenty million, thirty-one thousand, three hundred two".