31606433041021 has 8 divisors (see below), whose sum is σ = 32040527846400. Its totient is φ = 31173188570160.

The previous prime is 31606433041019. The next prime is 31606433041033. The reversal of 31606433041021 is 12014033460613.

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

It is a cyclic number.

It is not a de Polignac number, because 31606433041021 - 2¹ = 31606433041019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31606433641021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212508781 + ... + 212657458.

It is an arithmetic number, because the mean of its divisors is an integer number (4005065980800).

Almost surely, 2^{31606433041021} is an apocalyptic number.

It is an amenable number.

31606433041021 is a deficient number, since it is larger than the sum of its proper divisors (434094805379).

31606433041021 is an equidigital number, since it uses as much as digits as its factorization.

31606433041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425167259.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 31606433041021 in words is "thirty-one trillion, six hundred six billion, four hundred thirty-three million, forty-one thousand, twenty-one".