671226162031 has 2 divisors, whose sum is σ = 671226162032. Its totient is φ = 671226162030.

The previous prime is 671226162001. The next prime is 671226162073. The reversal of 671226162031 is 130261622176.

671226162031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671226162031 - 2⁵ = 671226161999 is a prime.

It is a super-2 number, since 2×671226162031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671226162001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335613081015 + 335613081016.

It is an arithmetic number, because the mean of its divisors is an integer number (335613081016).

Almost surely, 2^671226162031 is an apocalyptic number.

671226162031 is a deficient number, since it is larger than the sum of its proper divisors (1).

671226162031 is an equidigital number, since it uses as much as digits as its factorization.

671226162031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 671226162031 in words is "six hundred seventy-one billion, two hundred twenty-six million, one hundred sixty-two thousand, thirty-one".