100144313 has 4 divisors (see below), whose sum is σ = 101269620. Its totient is φ = 99019008.

The previous prime is 100144309. The next prime is 100144339. The reversal of 100144313 is 313441001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22915369 + 77228944 = 4787^2 + 8788^2 .

It is a cyclic number.

It is not a de Polignac number, because 100144313 - 2² = 100144309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100144291 and 100144300.

It is not an unprimeable number, because it can be changed into a prime (100141313) 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, 562520 + ... + 562697.

It is an arithmetic number, because the mean of its divisors is an integer number (25317405).

Almost surely, 2^100144313 is an apocalyptic number.

It is an amenable number.

100144313 is a deficient number, since it is larger than the sum of its proper divisors (1125307).

100144313 is an equidigital number, since it uses as much as digits as its factorization.

100144313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125306.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 100144313 is about 10007.2130485965. The cubic root of 100144313 is about 464.3820565761.

Adding to 100144313 its reverse (313441001), we get a palindrome (413585314).

The spelling of 100144313 in words is "one hundred million, one hundred forty-four thousand, three hundred thirteen".