31404443101 has 8 divisors (see below), whose sum is σ = 31435477920. Its totient is φ = 31373427888.

The previous prime is 31404443093. The next prime is 31404443159. The reversal of 31404443101 is 10134440413.

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 31404443101 - 2³ = 31404443093 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 (31404440101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7552515 + ... + 7556671.

It is an arithmetic number, because the mean of its divisors is an integer number (3929434740).

Almost surely, 2^31404443101 is an apocalyptic number.

It is an amenable number.

31404443101 is a deficient number, since it is larger than the sum of its proper divisors (31034819).

31404443101 is a wasteful number, since it uses less digits than its factorization.

31404443101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31404443101 its reverse (10134440413), we get a palindrome (41538883514).

The spelling of 31404443101 in words is "thirty-one billion, four hundred four million, four hundred forty-three thousand, one hundred one".