612018311 has 2 divisors, whose sum is σ = 612018312. Its totient is φ = 612018310.

The previous prime is 612018271. The next prime is 612018313. The reversal of 612018311 is 113810216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612018311 - 2¹⁴ = 612001927 is a prime.

Together with 612018313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612018313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306009155 + 306009156.

It is an arithmetic number, because the mean of its divisors is an integer number (306009156).

Almost surely, 2^612018311 is an apocalyptic number.

612018311 is a deficient number, since it is larger than the sum of its proper divisors (1).

612018311 is an equidigital number, since it uses as much as digits as its factorization.

612018311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 612018311 is about 24739.0038400902. The cubic root of 612018311 is about 849.0269423189.

Adding to 612018311 its reverse (113810216), we get a palindrome (725828527).

The spelling of 612018311 in words is "six hundred twelve million, eighteen thousand, three hundred eleven".