100342051 has 4 divisors (see below), whose sum is σ = 100862152. Its totient is φ = 99821952.

The previous prime is 100342049. The next prime is 100342061. The reversal of 100342051 is 150243001.

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 100342051 - 2¹ = 100342049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100342061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259761 + ... + 260146.

It is an arithmetic number, because the mean of its divisors is an integer number (25215538).

Almost surely, 2^100342051 is an apocalyptic number.

100342051 is a deficient number, since it is larger than the sum of its proper divisors (520101).

100342051 is an equidigital number, since it uses as much as digits as its factorization.

100342051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520100.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100342051 is about 10017.0879500981. The cubic root of 100342051 is about 464.6875011385.

Adding to 100342051 its reverse (150243001), we get a palindrome (250585052).

The spelling of 100342051 in words is "one hundred million, three hundred forty-two thousand, fifty-one".