211303132031 has 16 divisors (see below), whose sum is σ = 224320017600. Its totient is φ = 198611761920.

The previous prime is 211303132009. The next prime is 211303132043. The reversal of 211303132031 is 130231303112.

It is a cyclic number.

It is not a de Polignac number, because 211303132031 - 2²² = 211298937727 is a prime.

It is a super-2 number, since 2×211303132031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211303131994 and 211303132012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211303132081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399961 + ... + 1543533.

It is an arithmetic number, because the mean of its divisors is an integer number (14020001100).

Almost surely, 2^211303132031 is an apocalyptic number.

211303132031 is a deficient number, since it is larger than the sum of its proper divisors (13016885569).

211303132031 is a wasteful number, since it uses less digits than its factorization.

211303132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144706.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 211303132031 its reverse (130231303112), we get a palindrome (341534435143).

The spelling of 211303132031 in words is "two hundred eleven billion, three hundred three million, one hundred thirty-two thousand, thirty-one".