211131302000 has 40 divisors (see below), whose sum is σ = 510515493072. Its totient is φ = 84452520000.

The previous prime is 211131301957. The next prime is 211131302071. The reversal of 211131302000 is 203131112.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52780826 + ... + 52784825.

Almost surely, 2^211131302000 is an apocalyptic number.

211131302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211131302000 is an abundant number, since it is smaller than the sum of its proper divisors (299384191072).

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

211131302000 is a wasteful number, since it uses less digits than its factorization.

211131302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105565674 (or 105565658 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 211131302000 its reverse (203131112), we get a palindrome (211334433112).

The spelling of 211131302000 in words is "two hundred eleven billion, one hundred thirty-one million, three hundred two thousand".