100230551 has 4 divisors (see below), whose sum is σ = 101438232. Its totient is φ = 99022872.

The previous prime is 100230547. The next prime is 100230553. The reversal of 100230551 is 155032001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100230551 - 2² = 100230547 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 (100230553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603716 + ... + 603881.

It is an arithmetic number, because the mean of its divisors is an integer number (25359558).

Almost surely, 2^100230551 is an apocalyptic number.

100230551 is a deficient number, since it is larger than the sum of its proper divisors (1207681).

100230551 is an equidigital number, since it uses as much as digits as its factorization.

100230551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207680.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 100230551 is about 10011.5209134277. The cubic root of 100230551 is about 464.5153172299.

Adding to 100230551 its reverse (155032001), we get a palindrome (255262552).

The spelling of 100230551 in words is "one hundred million, two hundred thirty thousand, five hundred fifty-one".