131213223232033 has 4 divisors (see below), whose sum is σ = 132246398218240. Its totient is φ = 130180048245828.

The previous prime is 131213223232019. The next prime is 131213223232081. The reversal of 131213223232033 is 330232322312131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131213223232033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131213223231986 and 131213223232004.

It is not an unprimeable number, because it can be changed into a prime (131213223232093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516587492913 + ... + 516587493166.

It is an arithmetic number, because the mean of its divisors is an integer number (33061599554560).

Almost surely, 2^{131213223232033} is an apocalyptic number.

It is an amenable number.

131213223232033 is a deficient number, since it is larger than the sum of its proper divisors (1033174986207).

131213223232033 is a wasteful number, since it uses less digits than its factorization.

131213223232033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033174986206.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 131213223232033 its reverse (330232322312131), we get a palindrome (461445545544164).

The spelling of 131213223232033 in words is "one hundred thirty-one trillion, two hundred thirteen billion, two hundred twenty-three million, two hundred thirty-two thousand, thirty-three".