133355031 has 8 divisors (see below), whose sum is σ = 177916800. Its totient is φ = 88848312.

The previous prime is 133355003. The next prime is 133355039. The reversal of 133355031 is 130553331.

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

It is not a de Polignac number, because 133355031 - 2¹⁰ = 133354007 is a prime.

It is a super-2 number, since 2×133355031² = 35567128586021922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133354992 and 133355010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133355039) 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 7 ways as a sum of consecutive naturals, for example, 7731 + ... + 18068.

It is an arithmetic number, because the mean of its divisors is an integer number (22239600).

Almost surely, 2^133355031 is an apocalyptic number.

133355031 is a deficient number, since it is larger than the sum of its proper divisors (44561769).

133355031 is a wasteful number, since it uses less digits than its factorization.

133355031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27525.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 133355031 is about 11547.9448820992. The cubic root of 133355031 is about 510.9006653037.

The spelling of 133355031 in words is "one hundred thirty-three million, three hundred fifty-five thousand, thirty-one".