201144300631 has 2 divisors, whose sum is σ = 201144300632. Its totient is φ = 201144300630.

The previous prime is 201144300587. The next prime is 201144300653. The reversal of 201144300631 is 136003441102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201144300631 - 2⁷ = 201144300503 is a prime.

It is a super-2 number, since 2×201144300631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201144300596 and 201144300605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201144300691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100572150315 + 100572150316.

It is an arithmetic number, because the mean of its divisors is an integer number (100572150316).

Almost surely, 2^201144300631 is an apocalyptic number.

201144300631 is a deficient number, since it is larger than the sum of its proper divisors (1).

201144300631 is an equidigital number, since it uses as much as digits as its factorization.

201144300631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 201144300631 its reverse (136003441102), we get a palindrome (337147741733).

The spelling of 201144300631 in words is "two hundred one billion, one hundred forty-four million, three hundred thousand, six hundred thirty-one".