100000211431 has 4 divisors (see below), whose sum is σ = 102127875552. Its totient is φ = 97872547312.

The previous prime is 100000211413. The next prime is 100000211527. The reversal of 100000211431 is 134112000001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134112000001 = 7 ⋅19158857143.

It is a cyclic number.

It is not a de Polignac number, because 100000211431 - 2⁷ = 100000211303 is a prime.

It is a super-2 number, since 2×100000211431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000217431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063831990 + ... + 1063832083.

It is an arithmetic number, because the mean of its divisors is an integer number (25531968888).

Almost surely, 2^100000211431 is an apocalyptic number.

100000211431 is a deficient number, since it is larger than the sum of its proper divisors (2127664121).

100000211431 is an equidigital number, since it uses as much as digits as its factorization.

100000211431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127664120.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100000211431 its reverse (134112000001), we get a palindrome (234112211432).

The spelling of 100000211431 in words is "one hundred billion, two hundred eleven thousand, four hundred thirty-one".