33130111013 has 4 divisors (see below), whose sum is σ = 33835007040. Its totient is φ = 32425214988.

The previous prime is 33130110991. The next prime is 33130111051. The reversal of 33130111013 is 31011103133.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31011103133 = 113 ⋅274434541.

It is a cyclic number.

It is not a de Polignac number, because 33130111013 - 2²² = 33125916709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33130110982 and 33130111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130111613) 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, 352447943 + ... + 352448036.

It is an arithmetic number, because the mean of its divisors is an integer number (8458751760).

Almost surely, 2^33130111013 is an apocalyptic number.

It is an amenable number.

33130111013 is a deficient number, since it is larger than the sum of its proper divisors (704896027).

33130111013 is an equidigital number, since it uses as much as digits as its factorization.

33130111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704896026.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 33130111013 its reverse (31011103133), we get a palindrome (64141214146).

The spelling of 33130111013 in words is "thirty-three billion, one hundred thirty million, one hundred eleven thousand, thirteen".