131212231233 has 8 divisors (see below), whose sum is σ = 184157517600. Its totient is φ = 82870882848.

The previous prime is 131212231169. The next prime is 131212231279. The reversal of 131212231233 is 332132212131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131212231233 - 2⁶ = 131212231169 is a prime.

It is a super-3 number, since 3×131212231233³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131212231433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150984428 + ... + 1150984541.

It is an arithmetic number, because the mean of its divisors is an integer number (23019689700).

Almost surely, 2^131212231233 is an apocalyptic number.

It is an amenable number.

131212231233 is a deficient number, since it is larger than the sum of its proper divisors (52945286367).

131212231233 is a wasteful number, since it uses less digits than its factorization.

131212231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301968991.

The product of its digits is 1296, while the sum is 24.

Adding to 131212231233 its reverse (332132212131), we get a palindrome (463344443364).

The spelling of 131212231233 in words is "one hundred thirty-one billion, two hundred twelve million, two hundred thirty-one thousand, two hundred thirty-three".