31667666676613 has 8 divisors (see below), whose sum is σ = 34636745327616. Its totient is φ = 28713621336000.

The previous prime is 31667666676571. The next prime is 31667666676643.

31667666676613 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31667666676613 - 2⁹ = 31667666676101 is a prime.

It is a super-2 number, since 2×31667666676613² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31667666676643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3758323188 + ... + 3758331613.

It is an arithmetic number, because the mean of its divisors is an integer number (4329593165952).

Almost surely, 2^{31667666676613} is an apocalyptic number.

It is an amenable number.

31667666676613 is a deficient number, since it is larger than the sum of its proper divisors (2969078651003).

31667666676613 is a wasteful number, since it uses less digits than its factorization.

31667666676613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516655195.

The product of its digits is 740710656, while the sum is 70.

The spelling of 31667666676613 in words is "thirty-one trillion, six hundred sixty-seven billion, six hundred sixty-six million, six hundred seventy-six thousand, six hundred thirteen".