31904040441 has 16 divisors (see below), whose sum is σ = 52355348864. Its totient is φ = 16828504704.

The previous prime is 31904040419. The next prime is 31904040461. The reversal of 31904040441 is 14404040913.

It is not a de Polignac number, because 31904040441 - 2⁵ = 31904040409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31904040399 and 31904040408.

It is not an unprimeable number, because it can be changed into a prime (31904040461) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 58432036 + ... + 58432581.

It is an arithmetic number, because the mean of its divisors is an integer number (3272209304).

Almost surely, 2^31904040441 is an apocalyptic number.

It is an amenable number.

31904040441 is a deficient number, since it is larger than the sum of its proper divisors (20451308423).

31904040441 is a wasteful number, since it uses less digits than its factorization.

31904040441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116864640.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 31904040441 in words is "thirty-one billion, nine hundred four million, forty thousand, four hundred forty-one".