113038213831 has 4 divisors (see below), whose sum is σ = 113039500752. Its totient is φ = 113036926912.

The previous prime is 113038213829. The next prime is 113038213889. The reversal of 113038213831 is 138312830311.

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

It is a cyclic number.

It is not a de Polignac number, because 113038213831 - 2¹ = 113038213829 is a prime.

It is a super-3 number, since 3×113038213831³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113038213801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501226 + ... + 690871.

It is an arithmetic number, because the mean of its divisors is an integer number (28259875188).

Almost surely, 2^113038213831 is an apocalyptic number.

113038213831 is a deficient number, since it is larger than the sum of its proper divisors (1286921).

113038213831 is an equidigital number, since it uses as much as digits as its factorization.

113038213831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286920.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 113038213831 in words is "one hundred thirteen billion, thirty-eight million, two hundred thirteen thousand, eight hundred thirty-one".