113333131002 has 64 divisors (see below), whose sum is σ = 279201049344. Its totient is φ = 29865715200.

The previous prime is 113333130991. The next prime is 113333131003. The reversal of 113333131002 is 200131333311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 113333131002.

It is not an unprimeable number, because it can be changed into a prime (113333131003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591502 + ... + 759302.

It is an arithmetic number, because the mean of its divisors is an integer number (4362516396).

Almost surely, 2^113333131002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113333131002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139600524672).

113333131002 is an abundant number, since it is smaller than the sum of its proper divisors (165867918342).

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

113333131002 is a wasteful number, since it uses less digits than its factorization.

113333131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169063.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 113333131002 its reverse (200131333311), we get a palindrome (313464464313).

The spelling of 113333131002 in words is "one hundred thirteen billion, three hundred thirty-three million, one hundred thirty-one thousand, two".