211132031331 has 16 divisors (see below), whose sum is σ = 303242274720. Its totient is φ = 129893832960.

The previous prime is 211132031293. The next prime is 211132031371. The reversal of 211132031331 is 133130231112.

It is a happy number.

It is not a de Polignac number, because 211132031331 - 2¹⁵ = 211131998563 is a prime.

It is a super-2 number, since 2×211132031331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211132031298 and 211132031307.

It is not an unprimeable number, because it can be changed into a prime (211132031371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546096 + ... + 848813.

It is an arithmetic number, because the mean of its divisors is an integer number (18952642170).

Almost surely, 2^211132031331 is an apocalyptic number.

211132031331 is a deficient number, since it is larger than the sum of its proper divisors (92110243389).

211132031331 is a wasteful number, since it uses less digits than its factorization.

211132031331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398806.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 211132031331 its reverse (133130231112), we get a palindrome (344262262443).

The spelling of 211132031331 in words is "two hundred eleven billion, one hundred thirty-two million, thirty-one thousand, three hundred thirty-one".