31096039 has 4 divisors (see below), whose sum is σ = 33488056. Its totient is φ = 28704024.

The previous prime is 31095997. The next prime is 31096057. The reversal of 31096039 is 93069013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31096039 - 2⁹ = 31095527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31096039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31096099) 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 3 ways as a sum of consecutive naturals, for example, 1195989 + ... + 1196014.

It is an arithmetic number, because the mean of its divisors is an integer number (8372014).

Almost surely, 2^31096039 is an apocalyptic number.

31096039 is a deficient number, since it is larger than the sum of its proper divisors (2392017).

31096039 is a wasteful number, since it uses less digits than its factorization.

31096039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392016.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 31096039 is about 5576.3822501690. The cubic root of 31096039 is about 314.4621340971.

The spelling of 31096039 in words is "thirty-one million, ninety-six thousand, thirty-nine".