133031002 has 8 divisors (see below), whose sum is σ = 214896276. Its totient is φ = 61398912.

The previous prime is 133030957. The next prime is 133031051. The reversal of 133031002 is 200130331.

It can be written as a sum of positive squares in 2 ways, for example, as 130896481 + 2134521 = 11441^2 + 1461^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2558263 + ... + 2558314.

Almost surely, 2^133031002 is an apocalyptic number.

133031002 is a deficient number, since it is larger than the sum of its proper divisors (81865274).

133031002 is a wasteful number, since it uses less digits than its factorization.

133031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116592.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 133031002 is about 11533.9066235166. The cubic root of 133031002 is about 510.4865304571.

Adding to 133031002 its reverse (200130331), we get a palindrome (333161333).

The spelling of 133031002 in words is "one hundred thirty-three million, thirty-one thousand, two".