101320001287 has 2 divisors, whose sum is σ = 101320001288. Its totient is φ = 101320001286.

The previous prime is 101320001221. The next prime is 101320001311. The reversal of 101320001287 is 782100023101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101320001287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101360001287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660000643 + 50660000644.

It is an arithmetic number, because the mean of its divisors is an integer number (50660000644).

Almost surely, 2^101320001287 is an apocalyptic number.

101320001287 is a deficient number, since it is larger than the sum of its proper divisors (1).

101320001287 is an equidigital number, since it uses as much as digits as its factorization.

101320001287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 101320001287 its reverse (782100023101), we get a palindrome (883420024388).

The spelling of 101320001287 in words is "one hundred one billion, three hundred twenty million, one thousand, two hundred eighty-seven".