31361045043 has 16 divisors (see below), whose sum is σ = 42612894720. Its totient is φ = 20508450144.

The previous prime is 31361044999. The next prime is 31361045057. The reversal of 31361045043 is 34054016313.

It is not a de Polignac number, because 31361045043 - 2²⁰ = 31359996467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31361045043.

It is not an unprimeable number, because it can be changed into a prime (31361045743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820680 + ... + 858042.

It is an arithmetic number, because the mean of its divisors is an integer number (2663305920).

Almost surely, 2^31361045043 is an apocalyptic number.

31361045043 is a deficient number, since it is larger than the sum of its proper divisors (11251849677).

31361045043 is a wasteful number, since it uses less digits than its factorization.

31361045043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42698.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 31361045043 in words is "thirty-one billion, three hundred sixty-one million, forty-five thousand, forty-three".