133002023131 has 4 divisors (see below), whose sum is σ = 133403842264. Its totient is φ = 132600204000.

The previous prime is 133002023059. The next prime is 133002023137. The reversal of 133002023131 is 131320200331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133002023131 - 2²¹ = 132999925979 is a prime.

It is a super-2 number, since 2×133002023131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133002023099 and 133002023108.

It is not an unprimeable number, because it can be changed into a prime (133002023137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200909070 + ... + 200909731.

It is an arithmetic number, because the mean of its divisors is an integer number (33350960566).

Almost surely, 2^133002023131 is an apocalyptic number.

133002023131 is a deficient number, since it is larger than the sum of its proper divisors (401819133).

133002023131 is an equidigital number, since it uses as much as digits as its factorization.

133002023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401819132.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133002023131 its reverse (131320200331), we get a palindrome (264322223462).

The spelling of 133002023131 in words is "one hundred thirty-three billion, two million, twenty-three thousand, one hundred thirty-one".