133001231131 has 8 divisors (see below), whose sum is σ = 133233526800. Its totient is φ = 132769029120.

The previous prime is 133001231119. The next prime is 133001231137. The reversal of 133001231131 is 131132100331.

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

It is a cyclic number.

It is not a de Polignac number, because 133001231131 - 2²⁷ = 132867013403 is a prime.

It is a super-2 number, since 2×133001231131² (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 = 133001231099 and 133001231108.

It is not an unprimeable number, because it can be changed into a prime (133001231137) 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, 3201211 + ... + 3242491.

It is an arithmetic number, because the mean of its divisors is an integer number (16654190850).

Almost surely, 2^133001231131 is an apocalyptic number.

133001231131 is a deficient number, since it is larger than the sum of its proper divisors (232295669).

133001231131 is an equidigital number, since it uses as much as digits as its factorization.

133001231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46829.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 133001231131 its reverse (131132100331), we get a palindrome (264133331462).

The spelling of 133001231131 in words is "one hundred thirty-three billion, one million, two hundred thirty-one thousand, one hundred thirty-one".