113211311004 has 72 divisors (see below), whose sum is σ = 312252660720. Its totient is φ = 34299436800.

The previous prime is 113211310987. The next prime is 113211311009. The reversal of 113211311004 is 400113112311.

It is a happy number.

It is a super-2 number, since 2×113211311004² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211311009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2104312 + ... + 2157440.

It is an arithmetic number, because the mean of its divisors is an integer number (4336842510).

Almost surely, 2^113211311004 is an apocalyptic number.

It is an amenable number.

113211311004 is an abundant number, since it is smaller than the sum of its proper divisors (199041349716).

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

113211311004 is a wasteful number, since it uses less digits than its factorization.

113211311004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58531 (or 58526 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113211311004 its reverse (400113112311), we get a palindrome (513324423315).

The spelling of 113211311004 in words is "one hundred thirteen billion, two hundred eleven million, three hundred eleven thousand, four".