133427031 has 8 divisors (see below), whose sum is σ = 181688064. Its totient is φ = 87058680.

The previous prime is 133427029. The next prime is 133427039. The reversal of 133427031 is 130724331.

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

It is not a de Polignac number, because 133427031 - 2¹ = 133427029 is a prime.

It is a super-2 number, since 2×133427031² = 35605545202949922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133426992 and 133427010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133427039) 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, 473005 + ... + 473286.

It is an arithmetic number, because the mean of its divisors is an integer number (22711008).

Almost surely, 2^133427031 is an apocalyptic number.

133427031 is a deficient number, since it is larger than the sum of its proper divisors (48261033).

133427031 is an equidigital number, since it uses as much as digits as its factorization.

133427031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946341.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 133427031 is about 11551.0618992368. The cubic root of 133427031 is about 510.9925959178.

The spelling of 133427031 in words is "one hundred thirty-three million, four hundred twenty-seven thousand, thirty-one".