101320231513 has 2 divisors, whose sum is σ = 101320231514. Its totient is φ = 101320231512.

The previous prime is 101320231499. The next prime is 101320231543. The reversal of 101320231513 is 315132023101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101192699664 + 127531849 = 318108^2 + 11293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101320231513 is a prime.

It is not a weakly prime, because it can be changed into another prime (101320231543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660115756 + 50660115757.

It is an arithmetic number, because the mean of its divisors is an integer number (50660115757).

Almost surely, 2^101320231513 is an apocalyptic number.

It is an amenable number.

101320231513 is a deficient number, since it is larger than the sum of its proper divisors (1).

101320231513 is an equidigital number, since it uses as much as digits as its factorization.

101320231513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 101320231513 its reverse (315132023101), we get a palindrome (416452254614).

The spelling of 101320231513 in words is "one hundred one billion, three hundred twenty million, two hundred thirty-one thousand, five hundred thirteen".