10931983 has 4 divisors (see below), whose sum is σ = 11227480. Its totient is φ = 10636488.

The previous prime is 10931957. The next prime is 10931989. The reversal of 10931983 is 38913901.

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 10931983 - 2⁹ = 10931471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10931989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147693 + ... + 147766.

It is an arithmetic number, because the mean of its divisors is an integer number (2806870).

Almost surely, 2^10931983 is an apocalyptic number.

10931983 is a deficient number, since it is larger than the sum of its proper divisors (295497).

10931983 is an equidigital number, since it uses as much as digits as its factorization.

10931983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295496.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 10931983 is about 3306.3549416238. The cubic root of 10931983 is about 221.9386717481.

The spelling of 10931983 in words is "ten million, nine hundred thirty-one thousand, nine hundred eighty-three".