312001024481 has 2 divisors, whose sum is σ = 312001024482. Its totient is φ = 312001024480.

The previous prime is 312001024399. The next prime is 312001024483. The reversal of 312001024481 is 184420100213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262164480400 + 49836544081 = 512020^2 + 223241^2 .

It is a cyclic number.

It is not a de Polignac number, because 312001024481 - 2³⁰ = 310927282657 is a prime.

It is a super-2 number, since 2×312001024481² (a number of 24 digits) contains 22 as substring.

Together with 312001024483, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312001024481.

It is not a weakly prime, because it can be changed into another prime (312001024483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156000512240 + 156000512241.

It is an arithmetic number, because the mean of its divisors is an integer number (156000512241).

Almost surely, 2^312001024481 is an apocalyptic number.

It is an amenable number.

312001024481 is a deficient number, since it is larger than the sum of its proper divisors (1).

312001024481 is an equidigital number, since it uses as much as digits as its factorization.

312001024481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 312001024481 its reverse (184420100213), we get a palindrome (496421124694).

The spelling of 312001024481 in words is "three hundred twelve billion, one million, twenty-four thousand, four hundred eighty-one".