211320032243131 has 32 divisors (see below), whose sum is σ = 246837993292800. Its totient is φ = 177178282257024.

The previous prime is 211320032243123. The next prime is 211320032243141. The reversal of 211320032243131 is 131342230023112.

It is a cyclic number.

It is not a de Polignac number, because 211320032243131 - 2³ = 211320032243123 is a prime.

It is a super-2 number, since 2×211320032243131² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211320032243131.

It is not an unprimeable number, because it can be changed into a prime (211320032243141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318811645 + ... + 319473793.

It is an arithmetic number, because the mean of its divisors is an integer number (7713687290400).

Almost surely, 2^{211320032243131} is an apocalyptic number.

211320032243131 is a deficient number, since it is larger than the sum of its proper divisors (35517961049669).

211320032243131 is a wasteful number, since it uses less digits than its factorization.

211320032243131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667675.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 211320032243131 its reverse (131342230023112), we get a palindrome (342662262266243).

The spelling of 211320032243131 in words is "two hundred eleven trillion, three hundred twenty billion, thirty-two million, two hundred forty-three thousand, one hundred thirty-one".