211333001231131 has 16 divisors (see below), whose sum is σ = 243032047292160. Its totient is φ = 182274035448960.

The previous prime is 211333001231113. The next prime is 211333001231147. The reversal of 211333001231131 is 131132100333112.

It is not a de Polignac number, because 211333001231131 - 2¹¹ = 211333001229083 is a prime.

It is a super-2 number, since 2×211333001231131² (a number of 29 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 = 211333001231096 and 211333001231105.

It is not an unprimeable number, because it can be changed into a prime (211333001231161) 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, 9041359120 + ... + 9041382493.

It is an arithmetic number, because the mean of its divisors is an integer number (15189502955760).

Almost surely, 2^{211333001231131} is an apocalyptic number.

211333001231131 is a deficient number, since it is larger than the sum of its proper divisors (31699046061029).

211333001231131 is a wasteful number, since it uses less digits than its factorization.

211333001231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18082741686.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 211333001231131 its reverse (131132100333112), we get a palindrome (342465101564243).

The spelling of 211333001231131 in words is "two hundred eleven trillion, three hundred thirty-three billion, one million, two hundred thirty-one thousand, one hundred thirty-one".