11131002 has 24 divisors (see below), whose sum is σ = 24186240. Its totient is φ = 3699720.

The previous prime is 11130991. The next prime is 11131019. The reversal of 11131002 is 20013111.

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 11 ways as a sum of consecutive naturals, for example, 7977 + ... + 9267.

It is an arithmetic number, because the mean of its divisors is an integer number (1007760).

Almost surely, 2^11131002 is an apocalyptic number.

11131002 is an abundant number, since it is smaller than the sum of its proper divisors (13055238).

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

11131002 is a wasteful number, since it uses less digits than its factorization.

11131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1775 counting only the distinct ones).

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

The square root of 11131002 is about 3336.3156325504. The cubic root of 11131002 is about 223.2773934794.

Adding to 11131002 its reverse (20013111), we get a palindrome (31144113).

It can be divided in two parts, 111 and 31002, that added together give a palindrome (31113).

The spelling of 11131002 in words is "eleven million, one hundred thirty-one thousand, two".