113012001321 has 4 divisors (see below), whose sum is σ = 150682668432. Its totient is φ = 75341334212.

The previous prime is 113012001317. The next prime is 113012001331. The reversal of 113012001321 is 123100210311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113012001321 - 2² = 113012001317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113012001321.

It is not an unprimeable number, because it can be changed into a prime (113012001331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18835333551 + ... + 18835333556.

It is an arithmetic number, because the mean of its divisors is an integer number (37670667108).

Almost surely, 2^113012001321 is an apocalyptic number.

It is an amenable number.

113012001321 is a deficient number, since it is larger than the sum of its proper divisors (37670667111).

113012001321 is an equidigital number, since it uses as much as digits as its factorization.

113012001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37670667110.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113012001321 its reverse (123100210311), we get a palindrome (236112211632).

The spelling of 113012001321 in words is "one hundred thirteen billion, twelve million, one thousand, three hundred twenty-one".