31141042543 has 16 divisors (see below), whose sum is σ = 34838379072. Its totient is φ = 27649440000.

The previous prime is 31141042483. The next prime is 31141042571. The reversal of 31141042543 is 34524014113.

It is a de Polignac number, because none of the positive numbers 2^k-31141042543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31141042643) 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, 373608 + ... + 449293.

It is an arithmetic number, because the mean of its divisors is an integer number (2177398692).

Almost surely, 2^31141042543 is an apocalyptic number.

31141042543 is a deficient number, since it is larger than the sum of its proper divisors (3697336529).

31141042543 is a wasteful number, since it uses less digits than its factorization.

31141042543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823026.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 31141042543 its reverse (34524014113), we get a palindrome (65665056656).

The spelling of 31141042543 in words is "thirty-one billion, one hundred forty-one million, forty-two thousand, five hundred forty-three".