133333320131 has 16 divisors (see below), whose sum is σ = 146204098656. Its totient is φ = 120588480000.

The previous prime is 133333320119. The next prime is 133333320149. The reversal of 133333320131 is 131023333331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133333320131 - 2⁶ = 133333320067 is a prime.

It is a super-2 number, since 2×133333320131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133333320131.

It is not an unprimeable number, because it can be changed into a prime (133333320161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2682041 + ... + 2731301.

It is an arithmetic number, because the mean of its divisors is an integer number (9137756166).

Almost surely, 2^133333320131 is an apocalyptic number.

133333320131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133333320131 is a deficient number, since it is larger than the sum of its proper divisors (12870778525).

133333320131 is a wasteful number, since it uses less digits than its factorization.

133333320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50534.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 133333320131 its reverse (131023333331), we get a palindrome (264356653462).

The spelling of 133333320131 in words is "one hundred thirty-three billion, three hundred thirty-three million, three hundred twenty thousand, one hundred thirty-one".