133232031131 has 4 divisors (see below), whose sum is σ = 133250237064. Its totient is φ = 133213825200.

The previous prime is 133232031103. The next prime is 133232031133. The reversal of 133232031131 is 131130232331.

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 133232031131 - 2⁶ = 133232031067 is a prime.

It is a super-2 number, since 2×133232031131² (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 = 133232031097 and 133232031106.

It is not an unprimeable number, because it can be changed into a prime (133232031133) 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, 9091985 + ... + 9106626.

It is an arithmetic number, because the mean of its divisors is an integer number (33312559266).

Almost surely, 2^133232031131 is an apocalyptic number.

133232031131 is a deficient number, since it is larger than the sum of its proper divisors (18205933).

133232031131 is an equidigital number, since it uses as much as digits as its factorization.

133232031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18205932.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 133232031131 its reverse (131130232331), we get a palindrome (264362263462).

The spelling of 133232031131 in words is "one hundred thirty-three billion, two hundred thirty-two million, thirty-one thousand, one hundred thirty-one".