131233001033 has 4 divisors (see below), whose sum is σ = 131237096400. Its totient is φ = 131228905668.

The previous prime is 131233000991. The next prime is 131233001047. The reversal of 131233001033 is 330100332131.

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 not a de Polignac number, because 131233001033 - 2²⁰ = 131231952457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131233000996 and 131233001014.

It is not an unprimeable number, because it can be changed into a prime (131233001093) 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, 1999235 + ... + 2063832.

It is an arithmetic number, because the mean of its divisors is an integer number (32809274100).

Almost surely, 2^131233001033 is an apocalyptic number.

It is an amenable number.

131233001033 is a deficient number, since it is larger than the sum of its proper divisors (4095367).

131233001033 is an equidigital number, since it uses as much as digits as its factorization.

131233001033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095366.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131233001033 its reverse (330100332131), we get a palindrome (461333333164).

The spelling of 131233001033 in words is "one hundred thirty-one billion, two hundred thirty-three million, one thousand, thirty-three".