1931043055273 has 4 divisors (see below), whose sum is σ = 1931045852628. Its totient is φ = 1931040257920.

The previous prime is 1931043055243. The next prime is 1931043055321. The reversal of 1931043055273 is 3725503401391.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1616694449049 + 314348606224 = 1271493^2 + 560668^2 .

It is a cyclic number.

It is not a de Polignac number, because 1931043055273 - 2⁵ = 1931043055241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1931043055213) 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 3 ways as a sum of consecutive naturals, for example, 460965 + ... + 2018557.

It is an arithmetic number, because the mean of its divisors is an integer number (482761463157).

Almost surely, 2^{1931043055273} is an apocalyptic number.

It is an amenable number.

1931043055273 is a deficient number, since it is larger than the sum of its proper divisors (2797355).

1931043055273 is a wasteful number, since it uses less digits than its factorization.

1931043055273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797354.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 1931043055273 in words is "one trillion, nine hundred thirty-one billion, forty-three million, fifty-five thousand, two hundred seventy-three".