100402311 has 4 divisors (see below), whose sum is σ = 133869752. Its totient is φ = 66934872.

The previous prime is 100402303. The next prime is 100402319. The reversal of 100402311 is 113204001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113204001 = 3 ⋅37734667.

It is an interprime number because it is at equal distance from previous prime (100402303) and next prime (100402319).

It is not a de Polignac number, because 100402311 - 2³ = 100402303 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 (100402319) 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 3 ways as a sum of consecutive naturals, for example, 16733716 + ... + 16733721.

It is an arithmetic number, because the mean of its divisors is an integer number (33467438).

Almost surely, 2^100402311 is an apocalyptic number.

100402311 is a deficient number, since it is larger than the sum of its proper divisors (33467441).

100402311 is an equidigital number, since it uses as much as digits as its factorization.

100402311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33467440.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100402311 is about 10020.0953588277. The cubic root of 100402311 is about 464.7805045700.

Adding to 100402311 its reverse (113204001), we get a palindrome (213606312).

The spelling of 100402311 in words is "one hundred million, four hundred two thousand, three hundred eleven".