5211716107031 has 4 divisors (see below), whose sum is σ = 5956246979472. Its totient is φ = 4467185234592.

The previous prime is 5211716106977. The next prime is 5211716107043. The reversal of 5211716107031 is 1307016171125.

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

It is a cyclic number.

It is not a de Polignac number, because 5211716107031 - 2⁶ = 5211716106967 is a prime.

It is a super-2 number, since 2×5211716107031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5211716106982 and 5211716107000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211716107531) 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, 372265436210 + ... + 372265436223.

It is an arithmetic number, because the mean of its divisors is an integer number (1489061744868).

Almost surely, 2^{5211716107031} is an apocalyptic number.

5211716107031 is a deficient number, since it is larger than the sum of its proper divisors (744530872441).

5211716107031 is an equidigital number, since it uses as much as digits as its factorization.

5211716107031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744530872440.

The product of its (nonzero) digits is 8820, while the sum is 35.

The spelling of 5211716107031 in words is "five trillion, two hundred eleven billion, seven hundred sixteen million, one hundred seven thousand, thirty-one".