133041031 has 4 divisors (see below), whose sum is σ = 140866992. Its totient is φ = 125215072.

The previous prime is 133041001. The next prime is 133041037. The reversal of 133041031 is 130140331.

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 133041031 - 2⁹ = 133040519 is a prime.

It is a super-2 number, since 2×133041031² = 35399831859085922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133040996 and 133041014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133041037) 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, 3912955 + ... + 3912988.

It is an arithmetic number, because the mean of its divisors is an integer number (35216748).

Almost surely, 2^133041031 is an apocalyptic number.

133041031 is a deficient number, since it is larger than the sum of its proper divisors (7825961).

133041031 is an equidigital number, since it uses as much as digits as its factorization.

133041031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825960.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133041031 is about 11534.3413769491. The cubic root of 133041031 is about 510.4993583961.

Adding to 133041031 its reverse (130140331), we get a palindrome (263181362).

The spelling of 133041031 in words is "one hundred thirty-three million, forty-one thousand, thirty-one".