6531031123049 has 4 divisors (see below), whose sum is σ = 6707545477764. Its totient is φ = 6354516768336.

The previous prime is 6531031123033. The next prime is 6531031123051. The reversal of 6531031123049 is 9403211301356.

It is a happy number.

6531031123049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6119528117824 + 411503005225 = 2473768^2 + 641485^2 .

It is a cyclic number.

It is not a de Polignac number, because 6531031123049 - 2⁴ = 6531031123033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6531031123349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88257177302 + ... + 88257177375.

It is an arithmetic number, because the mean of its divisors is an integer number (1676886369441).

Almost surely, 2^{6531031123049} is an apocalyptic number.

It is an amenable number.

6531031123049 is a deficient number, since it is larger than the sum of its proper divisors (176514354715).

6531031123049 is a wasteful number, since it uses less digits than its factorization.

6531031123049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176514354714.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 6531031123049 in words is "six trillion, five hundred thirty-one billion, thirty-one million, one hundred twenty-three thousand, forty-nine".