31031411043 has 4 divisors (see below), whose sum is σ = 41375214728. Its totient is φ = 20687607360.

The previous prime is 31031411039. The next prime is 31031411051. The reversal of 31031411043 is 34011413013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34011413013 = 3 ⋅11337137671.

It is not a de Polignac number, because 31031411043 - 2² = 31031411039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31031411843) 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, 5171901838 + ... + 5171901843.

It is an arithmetic number, because the mean of its divisors is an integer number (10343803682).

Almost surely, 2^31031411043 is an apocalyptic number.

31031411043 is a deficient number, since it is larger than the sum of its proper divisors (10343803685).

31031411043 is a wasteful number, since it uses less digits than its factorization.

31031411043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343803684.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31031411043 its reverse (34011413013), we get a palindrome (65042824056).

The spelling of 31031411043 in words is "thirty-one billion, thirty-one million, four hundred eleven thousand, forty-three".