31049133 has 8 divisors (see below), whose sum is σ = 41923200. Its totient is φ = 20437248.

The previous prime is 31049119. The next prime is 31049159. The reversal of 31049133 is 33194013.

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

It is not a de Polignac number, because 31049133 - 2⁸ = 31048877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042133) 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, 65268 + ... + 65741.

It is an arithmetic number, because the mean of its divisors is an integer number (5240400).

Almost surely, 2^31049133 is an apocalyptic number.

It is an amenable number.

31049133 is a deficient number, since it is larger than the sum of its proper divisors (10874067).

31049133 is a wasteful number, since it uses less digits than its factorization.

31049133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131091.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 31049133 is about 5572.1748895741. The cubic root of 31049133 is about 314.3039404916.

The spelling of 31049133 in words is "thirty-one million, forty-nine thousand, one hundred thirty-three".