3231556355406 has 32 divisors (see below), whose sum is σ = 6843569983488. Its totient is φ = 1013780983680.

The previous prime is 3231556355371. The next prime is 3231556355407. The reversal of 3231556355406 is 6045536551323.

3231556355406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231556355407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1976121 + ... + 3219963.

It is an arithmetic number, because the mean of its divisors is an integer number (213861561984).

Almost surely, 2^{3231556355406} is an apocalyptic number.

3231556355406 is an abundant number, since it is smaller than the sum of its proper divisors (3612013628082).

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

3231556355406 is a wasteful number, since it uses less digits than its factorization.

3231556355406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269336.

The product of its (nonzero) digits is 4860000, while the sum is 48.

The spelling of 3231556355406 in words is "three trillion, two hundred thirty-one billion, five hundred fifty-six million, three hundred fifty-five thousand, four hundred six".