31141933 has 8 divisors (see below), whose sum is σ = 31955616. Its totient is φ = 30332400.

The previous prime is 31141927. The next prime is 31141937. The reversal of 31141933 is 33914113.

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

It is a cyclic number.

It is not a de Polignac number, because 31141933 - 2¹³ = 31133741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31141898 and 31141907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31141937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19038 + ... + 20608.

It is an arithmetic number, because the mean of its divisors is an integer number (3994452).

It is a self-describing number.

Almost surely, 2^31141933 is an apocalyptic number.

It is an amenable number.

31141933 is a deficient number, since it is larger than the sum of its proper divisors (813683).

31141933 is a wasteful number, since it uses less digits than its factorization.

31141933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its digits is 972, while the sum is 25.

The square root of 31141933 is about 5580.4957665068. The cubic root of 31141933 is about 314.6167607691.

The spelling of 31141933 in words is "thirty-one million, one hundred forty-one thousand, nine hundred thirty-three".