100238913 has 12 divisors (see below), whose sum is σ = 146623360. Its totient is φ = 65979576.

The previous prime is 100238909. The next prime is 100238917. The reversal of 100238913 is 319832001.

It is an interprime number because it is at equal distance from previous prime (100238909) and next prime (100238917).

It is not a de Polignac number, because 100238913 - 2² = 100238909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100238917) 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 11 ways as a sum of consecutive naturals, for example, 69781 + ... + 71202.

Almost surely, 2^100238913 is an apocalyptic number.

It is an amenable number.

100238913 is a deficient number, since it is larger than the sum of its proper divisors (46384447).

100238913 is a wasteful number, since it uses less digits than its factorization.

100238913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141068 (or 141065 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 100238913 is about 10011.9385235827. The cubic root of 100238913 is about 464.5282346788.

The spelling of 100238913 in words is "one hundred million, two hundred thirty-eight thousand, nine hundred thirteen".