11931002 has 4 divisors (see below), whose sum is σ = 17896506. Its totient is φ = 5965500.

The previous prime is 11930999. The next prime is 11931061. The reversal of 11931002 is 20013911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20013911 = 3677 ⋅5443.

It can be written as a sum of positive squares in only one way, i.e., 8014561 + 3916441 = 2831^2 + 1979^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2982749 + ... + 2982752.

Almost surely, 2^11931002 is an apocalyptic number.

11931002 is a deficient number, since it is larger than the sum of its proper divisors (5965504).

11931002 is an equidigital number, since it uses as much as digits as its factorization.

11931002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965503.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 11931002 is about 3454.1282547120. The cubic root of 11931002 is about 228.5032104084.

Adding to 11931002 its reverse (20013911), we get a palindrome (31944913).

The spelling of 11931002 in words is "eleven million, nine hundred thirty-one thousand, two".