231534452201211 has 12 divisors (see below), whose sum is σ = 334449378616288. Its totient is φ = 154351351265904.

The previous prime is 231534452201201. The next prime is 231534452201267. The reversal of 231534452201211 is 112102254435132.

231534452201211 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 3 + 4 + 4 + 522 + 0 + 121 + 1 = 666.

It is not a de Polignac number, because 231534452201211 - 2⁹ = 231534452200699 is a prime.

It is a super-2 number, since 2×231534452201211² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231534452201201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 412220560 + ... + 412781853.

Almost surely, 2^{231534452201211} is an apocalyptic number.

231534452201211 is a deficient number, since it is larger than the sum of its proper divisors (102914926415077).

231534452201211 is a wasteful number, since it uses less digits than its factorization.

231534452201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825033602 (or 825033599 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 231534452201211 in words is "two hundred thirty-one trillion, five hundred thirty-four billion, four hundred fifty-two million, two hundred one thousand, two hundred eleven".