211431301100 has 18 divisors (see below), whose sum is σ = 458805923604. Its totient is φ = 84572520400.

The previous prime is 211431301099. The next prime is 211431301117. The reversal of 211431301100 is 1103134112.

It is a super-2 number, since 2×211431301100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1057156406 + ... + 1057156605.

It is an arithmetic number, because the mean of its divisors is an integer number (25489217978).

Almost surely, 2^211431301100 is an apocalyptic number.

211431301100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211431301100 is an abundant number, since it is smaller than the sum of its proper divisors (247374622504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211431301100 is a wasteful number, since it uses less digits than its factorization.

211431301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114313025 (or 2114313018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211431301100 its reverse (1103134112), we get a palindrome (212534435212).

The spelling of 211431301100 in words is "two hundred eleven billion, four hundred thirty-one million, three hundred one thousand, one hundred".