131313530033 has 4 divisors (see below), whose sum is σ = 150072605760. Its totient is φ = 112554454308.

The previous prime is 131313529993. The next prime is 131313530041. The reversal of 131313530033 is 330035313131.

It is a happy number.

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 131313530033 - 2¹⁸ = 131313267889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131313529984 and 131313530011.

It is not an unprimeable number, because it can be changed into a prime (131313530053) 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, 9379537853 + ... + 9379537866.

It is an arithmetic number, because the mean of its divisors is an integer number (37518151440).

Almost surely, 2^131313530033 is an apocalyptic number.

It is an amenable number.

131313530033 is a deficient number, since it is larger than the sum of its proper divisors (18759075727).

131313530033 is an equidigital number, since it uses as much as digits as its factorization.

131313530033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18759075726.

The product of its (nonzero) digits is 3645, while the sum is 26.

Adding to 131313530033 its reverse (330035313131), we get a palindrome (461348843164).

The spelling of 131313530033 in words is "one hundred thirty-one billion, three hundred thirteen million, five hundred thirty thousand, thirty-three".