11311002 has 20 divisors (see below), whose sum is σ = 25345386. Its totient is φ = 3770280.

The previous prime is 11310989. The next prime is 11311019. The reversal of 11311002 is 20011311.

It can be written as a sum of positive squares in only one way, i.e., 11029041 + 281961 = 3321^2 + 531^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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 in 9 ways as a sum of consecutive naturals, for example, 34749 + ... + 35072.

Almost surely, 2^11311002 is an apocalyptic number.

11311002 is an abundant number, since it is smaller than the sum of its proper divisors (14034384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11311002 is an equidigital number, since it uses as much as digits as its factorization.

11311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69835 (or 69826 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11311002 is about 3363.1833134695. The cubic root of 11311002 is about 224.4745069870.

Adding to 11311002 its reverse (20011311), we get a palindrome (31322313).

The spelling of 11311002 in words is "eleven million, three hundred eleven thousand, two".