53231101361 has 2 divisors, whose sum is σ = 53231101362. Its totient is φ = 53231101360.

The previous prime is 53231101321. The next prime is 53231101379. The reversal of 53231101361 is 16310113235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27840591025 + 25390510336 = 166855^2 + 159344^2 .

It is a cyclic number.

It is not a de Polignac number, because 53231101361 - 2²² = 53226907057 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 53231101361.

It is not a weakly prime, because it can be changed into another prime (53231101321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26615550680 + 26615550681.

It is an arithmetic number, because the mean of its divisors is an integer number (26615550681).

Almost surely, 2^53231101361 is an apocalyptic number.

It is an amenable number.

53231101361 is a deficient number, since it is larger than the sum of its proper divisors (1).

53231101361 is an equidigital number, since it uses as much as digits as its factorization.

53231101361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 53231101361 its reverse (16310113235), we get a palindrome (69541214596).

The spelling of 53231101361 in words is "fifty-three billion, two hundred thirty-one million, one hundred one thousand, three hundred sixty-one".