8174131213 has 2 divisors, whose sum is σ = 8174131214. Its totient is φ = 8174131212.

The previous prime is 8174131183. The next prime is 8174131249. The reversal of 8174131213 is 3121314718.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6021449604 + 2152681609 = 77598^2 + 46397^2 .

It is a cyclic number.

It is not a de Polignac number, because 8174131213 - 2¹³ = 8174123021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8174131283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4087065606 + 4087065607.

It is an arithmetic number, because the mean of its divisors is an integer number (4087065607).

Almost surely, 2^8174131213 is an apocalyptic number.

It is an amenable number.

8174131213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8174131213 is an equidigital number, since it uses as much as digits as its factorization.

8174131213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 8174131213 is about 90410.9020693854. The cubic root of 8174131213 is about 2014.4069057597.

The spelling of 8174131213 in words is "eight billion, one hundred seventy-four million, one hundred thirty-one thousand, two hundred thirteen".