113406554231 has 4 divisors (see below), whose sum is σ = 113944026264. Its totient is φ = 112869082200.

The previous prime is 113406554213. The next prime is 113406554257. The reversal of 113406554231 is 132455604311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113406554231 is a prime.

It is a super-2 number, since 2×113406554231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113406554191 and 113406554200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113406554201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268735700 + ... + 268736121.

It is an arithmetic number, because the mean of its divisors is an integer number (28486006566).

Almost surely, 2^113406554231 is an apocalyptic number.

113406554231 is a deficient number, since it is larger than the sum of its proper divisors (537472033).

113406554231 is an equidigital number, since it uses as much as digits as its factorization.

113406554231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537472032.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 113406554231 in words is "one hundred thirteen billion, four hundred six million, five hundred fifty-four thousand, two hundred thirty-one".