101315115 has 72 divisors (see below), whose sum is σ = 201670560. Its totient is φ = 46928640.

The previous prime is 101315107. The next prime is 101315119. The reversal of 101315115 is 511513101.

It is not a de Polignac number, because 101315115 - 2³ = 101315107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101315119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 124831 + ... + 125639.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^101315115 is an apocalyptic number.

101315115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101315115 is a deficient number, since it is larger than the sum of its proper divisors (100355445).

101315115 is a wasteful number, since it uses less digits than its factorization.

101315115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

The square root of 101315115 is about 10065.5409690687. The cubic root of 101315115 is about 466.1847692694.

Adding to 101315115 its reverse (511513101), we get a palindrome (612828216).

The spelling of 101315115 in words is "one hundred one million, three hundred fifteen thousand, one hundred fifteen".