131213311233 has 32 divisors (see below), whose sum is σ = 181532651520. Its totient is φ = 84236785920.

The previous prime is 131213311223. The next prime is 131213311237. The reversal of 131213311233 is 332113312131.

It is not a de Polignac number, because 131213311233 - 2⁶ = 131213311169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131213311237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5923783 + ... + 5945891.

It is an arithmetic number, because the mean of its divisors is an integer number (5672895360).

Almost surely, 2^131213311233 is an apocalyptic number.

It is an amenable number.

131213311233 is a deficient number, since it is larger than the sum of its proper divisors (50319340287).

131213311233 is a wasteful number, since it uses less digits than its factorization.

131213311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22697.

The product of its digits is 972, while the sum is 24.

Adding to 131213311233 its reverse (332113312131), we get a palindrome (463326623364).

The spelling of 131213311233 in words is "one hundred thirty-one billion, two hundred thirteen million, three hundred eleven thousand, two hundred thirty-three".