1131301002 has 64 divisors (see below), whose sum is σ = 2600277120. Its totient is φ = 325223424.

The previous prime is 1131301001. The next prime is 1131301037. The reversal of 1131301002 is 2001031311.

It is not an unprimeable number, because it can be changed into a prime (1131301001) 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 31 ways as a sum of consecutive naturals, for example, 102958 + ... + 113414.

It is an arithmetic number, because the mean of its divisors is an integer number (40629330).

Almost surely, 2^1131301002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131301002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300138560).

1131301002 is an abundant number, since it is smaller than the sum of its proper divisors (1468976118).

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

1131301002 is a wasteful number, since it uses less digits than its factorization.

1131301002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10567.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1131301002 is about 33634.8182988997. The cubic root of 1131301002 is about 1041.9800179879.

Adding to 1131301002 its reverse (2001031311), we get a palindrome (3132332313).

The spelling of 1131301002 in words is "one billion, one hundred thirty-one million, three hundred one thousand, two".