1113131002 has 4 divisors (see below), whose sum is σ = 1669696506. Its totient is φ = 556565500.

The previous prime is 1113130961. The next prime is 1113131003. The reversal of 1113131002 is 2001313111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1101509721 + 11621281 = 33189^2 + 3409^2 .

It is a super-2 number, since 2×1113131002² = 2478121255227048008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113131003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278282749 + ... + 278282752.

Almost surely, 2^1113131002 is an apocalyptic number.

1113131002 is a deficient number, since it is larger than the sum of its proper divisors (556565504).

1113131002 is an equidigital number, since it uses as much as digits as its factorization.

1113131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556565503.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1113131002 is about 33363.6179393063. The cubic root of 1113131002 is about 1036.3714157763.

Adding to 1113131002 its reverse (2001313111), we get a palindrome (3114444113).

The spelling of 1113131002 in words is "one billion, one hundred thirteen million, one hundred thirty-one thousand, two".