31102093 has 8 divisors (see below), whose sum is σ = 34080480. Its totient is φ = 28148880.

The previous prime is 31102087. The next prime is 31102121. The reversal of 31102093 is 39020113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31102093 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 31102093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102013) 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, 3655 + ... + 8692.

It is an arithmetic number, because the mean of its divisors is an integer number (4260060).

Almost surely, 2^31102093 is an apocalyptic number.

It is an amenable number.

31102093 is a deficient number, since it is larger than the sum of its proper divisors (2978387).

31102093 is a wasteful number, since it uses less digits than its factorization.

31102093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12587.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 31102093 is about 5576.9250488060. The cubic root of 31102093 is about 314.4825400211.

It can be divided in two parts, 311020 and 93, that added together give a palindrome (311113).

The spelling of 31102093 in words is "thirty-one million, one hundred two thousand, ninety-three".