400331231306 has 8 divisors (see below), whose sum is σ = 600530431140. Its totient is φ = 200154420928.

The previous prime is 400331231243. The next prime is 400331231317. The reversal of 400331231306 is 603132133004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 394377720025 + 5953511281 = 627995^2 + 77159^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 5552591 + ... + 5624226.

Almost surely, 2^400331231306 is an apocalyptic number.

400331231306 is a deficient number, since it is larger than the sum of its proper divisors (200199199834).

400331231306 is a wasteful number, since it uses less digits than its factorization.

400331231306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194728.

The product of its (nonzero) digits is 3888, while the sum is 26.

The spelling of 400331231306 in words is "four hundred billion, three hundred thirty-one million, two hundred thirty-one thousand, three hundred six".