13111033001 has 4 divisors (see below), whose sum is σ = 14302945104. Its totient is φ = 11919120900.

The previous prime is 13111032971. The next prime is 13111033009. The reversal of 13111033001 is 10033011131.

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 13111033001 - 2¹⁴ = 13111016617 is a prime.

It is a super-2 number, since 2×13111033001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111033009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595956035 + ... + 595956056.

It is an arithmetic number, because the mean of its divisors is an integer number (3575736276).

Almost surely, 2^13111033001 is an apocalyptic number.

13111033001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13111033001 is a deficient number, since it is larger than the sum of its proper divisors (1191912103).

13111033001 is a wasteful number, since it uses less digits than its factorization.

13111033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191912102.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 13111033001 its reverse (10033011131), we get a palindrome (23144044132).

The spelling of 13111033001 in words is "thirteen billion, one hundred eleven million, thirty-three thousand, one".