113345351421 has 16 divisors (see below), whose sum is σ = 162405284544. Its totient is φ = 70057177344.

The previous prime is 113345351407. The next prime is 113345351423. The reversal of 113345351421 is 124153543311.

It is not a de Polignac number, because 113345351421 - 2¹⁷ = 113345220349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113345351423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16582090 + ... + 16588923.

It is an arithmetic number, because the mean of its divisors is an integer number (10150330284).

Almost surely, 2^113345351421 is an apocalyptic number.

It is an amenable number.

113345351421 is a deficient number, since it is larger than the sum of its proper divisors (49059933123).

113345351421 is a wasteful number, since it uses less digits than its factorization.

113345351421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33171100.

The product of its digits is 21600, while the sum is 33.

Adding to 113345351421 its reverse (124153543311), we get a palindrome (237498894732).

The spelling of 113345351421 in words is "one hundred thirteen billion, three hundred forty-five million, three hundred fifty-one thousand, four hundred twenty-one".