6664311031 has 8 divisors (see below), whose sum is σ = 7634980640. Its totient is φ = 5698297728.

The previous prime is 6664311013. The next prime is 6664311053. The reversal of 6664311031 is 1301134666.

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 6664311031 - 2¹⁵ = 6664278263 is a prime.

It is a super-2 number, since 2×6664311031² = 88826083035816565922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6664310984 and 6664311002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6664311131) 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, 1161006 + ... + 1166731.

It is an arithmetic number, because the mean of its divisors is an integer number (954372580).

Almost surely, 2^6664311031 is an apocalyptic number.

6664311031 is a deficient number, since it is larger than the sum of its proper divisors (970669609).

6664311031 is a wasteful number, since it uses less digits than its factorization.

6664311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328153.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 6664311031 is about 81635.2315547644. The cubic root of 6664311031 is about 1881.8503578445.

Adding to 6664311031 its reverse (1301134666), we get a palindrome (7965445697).

The spelling of 6664311031 in words is "six billion, six hundred sixty-four million, three hundred eleven thousand, thirty-one".