100308191217 has 48 divisors (see below), whose sum is σ = 146738055168. Its totient is φ = 60916639680.

The previous prime is 100308191183. The next prime is 100308191227. The reversal of 100308191217 is 712191803001.

It is not a de Polignac number, because 100308191217 - 2¹⁴ = 100308174833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100308191227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14698068 + ... + 14704890.

It is an arithmetic number, because the mean of its divisors is an integer number (3057042816).

Almost surely, 2^100308191217 is an apocalyptic number.

It is an amenable number.

100308191217 is a deficient number, since it is larger than the sum of its proper divisors (46429863951).

100308191217 is a wasteful number, since it uses less digits than its factorization.

100308191217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230 (or 7217 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 33.

Adding to 100308191217 its reverse (712191803001), we get a palindrome (812499994218).

The spelling of 100308191217 in words is "one hundred billion, three hundred eight million, one hundred ninety-one thousand, two hundred seventeen".