312040225425451 has 4 divisors (see below), whose sum is σ = 312055553845152. Its totient is φ = 312024897005752.

The previous prime is 312040225425421. The next prime is 312040225425463. The reversal of 312040225425451 is 154524522040213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312040225425451 - 2¹⁷ = 312040225294379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312040225425421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7664179315 + ... + 7664220028.

It is an arithmetic number, because the mean of its divisors is an integer number (78013888461288).

Almost surely, 2^{312040225425451} is an apocalyptic number.

312040225425451 is a deficient number, since it is larger than the sum of its proper divisors (15328419701).

312040225425451 is a wasteful number, since it uses less digits than its factorization.

312040225425451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15328419700.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 312040225425451 its reverse (154524522040213), we get a palindrome (466564747465664).

The spelling of 312040225425451 in words is "three hundred twelve trillion, forty billion, two hundred twenty-five million, four hundred twenty-five thousand, four hundred fifty-one".