321140300019953 has 2 divisors, whose sum is σ = 321140300019954. Its totient is φ = 321140300019952.

The previous prime is 321140300019907. The next prime is 321140300019961. The reversal of 321140300019953 is 359910003041123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302788432267489 + 18351867752464 = 17400817^2 + 4283908^2 .

It is a cyclic number.

It is not a de Polignac number, because 321140300019953 - 2⁸ = 321140300019697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 321140300019953.

It is not a weakly prime, because it can be changed into another prime (321140300016953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160570150009976 + 160570150009977.

It is an arithmetic number, because the mean of its divisors is an integer number (160570150009977).

Almost surely, 2^{321140300019953} is an apocalyptic number.

It is an amenable number.

321140300019953 is a deficient number, since it is larger than the sum of its proper divisors (1).

321140300019953 is an equidigital number, since it uses as much as digits as its factorization.

321140300019953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 321140300019953 in words is "three hundred twenty-one trillion, one hundred forty billion, three hundred million, nineteen thousand, nine hundred fifty-three".