671268031213 has 16 divisors (see below), whose sum is σ = 737380739200. Its totient is φ = 607316377536.

The previous prime is 671268031211. The next prime is 671268031253. The reversal of 671268031213 is 312130862176.

671268031213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 671268031213 - 2¹ = 671268031211 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 (671268031211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763070 + ... + 2109727.

It is an arithmetic number, because the mean of its divisors is an integer number (46086296200).

Almost surely, 2^671268031213 is an apocalyptic number.

It is an amenable number.

671268031213 is a deficient number, since it is larger than the sum of its proper divisors (66112707987).

671268031213 is a wasteful number, since it uses less digits than its factorization.

671268031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873076.

The product of its (nonzero) digits is 72576, while the sum is 40.

Adding to 671268031213 its reverse (312130862176), we get a palindrome (983398893389).

The spelling of 671268031213 in words is "six hundred seventy-one billion, two hundred sixty-eight million, thirty-one thousand, two hundred thirteen".