312414043181 has 2 divisors, whose sum is σ = 312414043182. Its totient is φ = 312414043180.

The previous prime is 312414043159. The next prime is 312414043219. The reversal of 312414043181 is 181340414213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225158791081 + 87255252100 = 474509^2 + 295390^2 .

It is a cyclic number.

It is not a de Polignac number, because 312414043181 - 2³⁸ = 37536136237 is a prime.

It is a super-2 number, since 2×312414043181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312414043481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156207021590 + 156207021591.

It is an arithmetic number, because the mean of its divisors is an integer number (156207021591).

Almost surely, 2^312414043181 is an apocalyptic number.

It is an amenable number.

312414043181 is a deficient number, since it is larger than the sum of its proper divisors (1).

312414043181 is an equidigital number, since it uses as much as digits as its factorization.

312414043181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 312414043181 its reverse (181340414213), we get a palindrome (493754457394).

The spelling of 312414043181 in words is "three hundred twelve billion, four hundred fourteen million, forty-three thousand, one hundred eighty-one".