4021031312306 has 4 divisors (see below), whose sum is σ = 6031546968462. Its totient is φ = 2010515656152.

The previous prime is 4021031312281. The next prime is 4021031312329. The reversal of 4021031312306 is 6032131301204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3858494133025 + 162537179281 = 1964305^2 + 403159^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005257828075 + ... + 1005257828078.

Almost surely, 2^{4021031312306} is an apocalyptic number.

4021031312306 is a deficient number, since it is larger than the sum of its proper divisors (2010515656156).

4021031312306 is a wasteful number, since it uses less digits than its factorization.

4021031312306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010515656155.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 4021031312306 in words is "four trillion, twenty-one billion, thirty-one million, three hundred twelve thousand, three hundred six".