312021354061 has 2 divisors, whose sum is σ = 312021354062. Its totient is φ = 312021354060.

The previous prime is 312021354041. The next prime is 312021354103. The reversal of 312021354061 is 160453120213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215008416100 + 97012937961 = 463690^2 + 311469^2 .

It is an emirp because it is prime and its reverse (160453120213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312021354061 - 2¹³ = 312021345869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312021354041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156010677030 + 156010677031.

It is an arithmetic number, because the mean of its divisors is an integer number (156010677031).

Almost surely, 2^312021354061 is an apocalyptic number.

It is an amenable number.

312021354061 is a deficient number, since it is larger than the sum of its proper divisors (1).

312021354061 is an equidigital number, since it uses as much as digits as its factorization.

312021354061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 312021354061 its reverse (160453120213), we get a palindrome (472474474274).

The spelling of 312021354061 in words is "three hundred twelve billion, twenty-one million, three hundred fifty-four thousand, sixty-one".