13420331133 has 8 divisors (see below), whose sum is σ = 19520481696. Its totient is φ = 8133534000.

The previous prime is 13420331081. The next prime is 13420331137. The reversal of 13420331133 is 33113302431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13420331133 - 2²² = 13416136829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420331137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203338318 + ... + 203338383.

It is an arithmetic number, because the mean of its divisors is an integer number (2440060212).

Almost surely, 2^13420331133 is an apocalyptic number.

It is an amenable number.

13420331133 is a deficient number, since it is larger than the sum of its proper divisors (6100150563).

13420331133 is a wasteful number, since it uses less digits than its factorization.

13420331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406676715.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13420331133 its reverse (33113302431), we get a palindrome (46533633564).

The spelling of 13420331133 in words is "thirteen billion, four hundred twenty million, three hundred thirty-one thousand, one hundred thirty-three".