31133110445 has 24 divisors (see below), whose sum is σ = 37980410112. Its totient is φ = 24499267200.

The previous prime is 31133110439. The next prime is 31133110469. The reversal of 31133110445 is 54401133113.

It is not a de Polignac number, because 31133110445 - 2⁸ = 31133110189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11482640 + ... + 11485350.

It is an arithmetic number, because the mean of its divisors is an integer number (1582517088).

Almost surely, 2^31133110445 is an apocalyptic number.

It is an amenable number.

31133110445 is a deficient number, since it is larger than the sum of its proper divisors (6847299667).

31133110445 is an equidigital number, since it uses as much as digits as its factorization.

31133110445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 31133110445 its reverse (54401133113), we get a palindrome (85534243558).

The spelling of 31133110445 in words is "thirty-one billion, one hundred thirty-three million, one hundred ten thousand, four hundred forty-five".