133025031 has 16 divisors (see below), whose sum is σ = 205643520. Its totient is φ = 84827160.

The previous prime is 133025029. The next prime is 133025047. The reversal of 133025031 is 130520331.

It is not a de Polignac number, because 133025031 - 2¹ = 133025029 is a prime.

It is a super-2 number, since 2×133025031² = 35391317745101922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133024995 and 133025013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133025831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106485 + ... + 107726.

It is an arithmetic number, because the mean of its divisors is an integer number (12852720).

Almost surely, 2^133025031 is an apocalyptic number.

133025031 is a deficient number, since it is larger than the sum of its proper divisors (72618489).

133025031 is a wasteful number, since it uses less digits than its factorization.

133025031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214243 (or 214237 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 133025031 is about 11533.6477750970. The cubic root of 133025031 is about 510.4788927370.

Adding to 133025031 its reverse (130520331), we get a palindrome (263545362).

The spelling of 133025031 in words is "one hundred thirty-three million, twenty-five thousand, thirty-one".