101315135 has 4 divisors (see below), whose sum is σ = 121578168. Its totient is φ = 81052104.

The previous prime is 101315131. The next prime is 101315147. The reversal of 101315135 is 531513101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531513101 = 7 ⋅75930443.

It is a cyclic number.

It is not a de Polignac number, because 101315135 - 2² = 101315131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101315131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10131509 + ... + 10131518.

It is an arithmetic number, because the mean of its divisors is an integer number (30394542).

Almost surely, 2^101315135 is an apocalyptic number.

101315135 is a deficient number, since it is larger than the sum of its proper divisors (20263033).

101315135 is an equidigital number, since it uses as much as digits as its factorization.

101315135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263032.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 101315135 is about 10065.5419625572. The cubic root of 101315135 is about 466.1847999450.

Adding to 101315135 its reverse (531513101), we get a palindrome (632828236).

The spelling of 101315135 in words is "one hundred one million, three hundred fifteen thousand, one hundred thirty-five".