101217315 has 16 divisors (see below), whose sum is σ = 165898656. Its totient is φ = 52665600.

The previous prime is 101217307. The next prime is 101217331. The reversal of 101217315 is 513712101.

It is a happy number.

It is not a de Polignac number, because 101217315 - 2³ = 101217307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101217291 and 101217300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81676 + ... + 82905.

It is an arithmetic number, because the mean of its divisors is an integer number (10368666).

Almost surely, 2^101217315 is an apocalyptic number.

101217315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101217315 is a deficient number, since it is larger than the sum of its proper divisors (64681341).

101217315 is a wasteful number, since it uses less digits than its factorization.

101217315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164630.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 101217315 is about 10060.6816369469. The cubic root of 101217315 is about 466.0347174611.

Adding to 101217315 its reverse (513712101), we get a palindrome (614929416).

The spelling of 101217315 in words is "one hundred one million, two hundred seventeen thousand, three hundred fifteen".