113404505031 has 16 divisors (see below), whose sum is σ = 168604573920. Its totient is φ = 75333948480.

The previous prime is 113404504951. The next prime is 113404505033. The reversal of 113404505031 is 130505404311.

It is a happy number.

113404505031 is a `hidden beast` number, since 1 + 134 + 0 + 450 + 50 + 31 = 666.

It is not a de Polignac number, because 113404505031 - 2¹¹ = 113404502983 is a prime.

It is a super-2 number, since 2×113404505031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113404504986 and 113404505004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113404505033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7466020 + ... + 7481193.

It is an arithmetic number, because the mean of its divisors is an integer number (10537785870).

Almost surely, 2^113404505031 is an apocalyptic number.

113404505031 is a deficient number, since it is larger than the sum of its proper divisors (55200068889).

113404505031 is a wasteful number, since it uses less digits than its factorization.

113404505031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14947503 (or 14947497 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 113404505031 its reverse (130505404311), we get a palindrome (243909909342).

The spelling of 113404505031 in words is "one hundred thirteen billion, four hundred four million, five hundred five thousand, thirty-one".