100993513 has 4 divisors (see below), whose sum is σ = 101416320. Its totient is φ = 100570708.

The previous prime is 100993511. The next prime is 100993559. The reversal of 100993513 is 315399001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100993513 - 2¹ = 100993511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100993511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211045 + ... + 211522.

It is an arithmetic number, because the mean of its divisors is an integer number (25354080).

Almost surely, 2^100993513 is an apocalyptic number.

It is an amenable number.

100993513 is a deficient number, since it is larger than the sum of its proper divisors (422807).

100993513 is an equidigital number, since it uses as much as digits as its factorization.

100993513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422806.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 100993513 is about 10049.5528756259. The cubic root of 100993513 is about 465.6909802631.

The spelling of 100993513 in words is "one hundred million, nine hundred ninety-three thousand, five hundred thirteen".