31603112445 has 8 divisors (see below), whose sum is σ = 50564979936. Its totient is φ = 16854993296.

The previous prime is 31603112383. The next prime is 31603112449. The reversal of 31603112445 is 54421130613.

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 31603112445 - 2²⁹ = 31066241533 is a prime.

It is a super-2 number, since 2×31603112445² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31603112449) 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, 1053437067 + ... + 1053437096.

It is an arithmetic number, because the mean of its divisors is an integer number (6320622492).

Almost surely, 2^31603112445 is an apocalyptic number.

It is an amenable number.

31603112445 is a deficient number, since it is larger than the sum of its proper divisors (18961867491).

31603112445 is a wasteful number, since it uses less digits than its factorization.

31603112445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106874171.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 31603112445 in words is "thirty-one billion, six hundred three million, one hundred twelve thousand, four hundred forty-five".