231412212231011 has 4 divisors (see below), whose sum is σ = 264471099692592. Its totient is φ = 198353324769432.

The previous prime is 231412212231007. The next prime is 231412212231023. The reversal of 231412212231011 is 110132212214132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231412212231011 - 2² = 231412212231007 is a prime.

It is a super-2 number, since 2×231412212231011² (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 (231412212231071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16529443730780 + ... + 16529443730793.

It is an arithmetic number, because the mean of its divisors is an integer number (66117774923148).

Almost surely, 2^{231412212231011} is an apocalyptic number.

231412212231011 is a deficient number, since it is larger than the sum of its proper divisors (33058887461581).

231412212231011 is an equidigital number, since it uses as much as digits as its factorization.

231412212231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33058887461580.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 231412212231011 its reverse (110132212214132), we get a palindrome (341544424445143).

The spelling of 231412212231011 in words is "two hundred thirty-one trillion, four hundred twelve billion, two hundred twelve million, two hundred thirty-one thousand, eleven".