133023333131 has 4 divisors (see below), whose sum is σ = 143255897232. Its totient is φ = 122790769032.

The previous prime is 133023333089. The next prime is 133023333137. The reversal of 133023333131 is 131333320331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131333320331 = 263 ⋅499366237.

It is a cyclic number.

It is not a de Polignac number, because 133023333131 - 2⁶ = 133023333067 is a prime.

It is a super-2 number, since 2×133023333131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133023333131.

It is not an unprimeable number, because it can be changed into a prime (133023333137) 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, 5116282031 + ... + 5116282056.

It is an arithmetic number, because the mean of its divisors is an integer number (35813974308).

Almost surely, 2^133023333131 is an apocalyptic number.

133023333131 is a deficient number, since it is larger than the sum of its proper divisors (10232564101).

133023333131 is a wasteful number, since it uses less digits than its factorization.

133023333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232564100.

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

Adding to 133023333131 its reverse (131333320331), we get a palindrome (264356653462).

It can be divided in two parts, 13302 and 3333131, that added together give a palindrome (3346433).

The spelling of 133023333131 in words is "one hundred thirty-three billion, twenty-three million, three hundred thirty-three thousand, one hundred thirty-one".