2013231030109 has 4 divisors (see below), whose sum is σ = 2168094955516. Its totient is φ = 1858367104704.

The previous prime is 2013231030103. The next prime is 2013231030127. The reversal of 2013231030109 is 9010301323102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 725580276100 + 1287650754009 = 851810^2 + 1134747^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013231030109 - 2⁵ = 2013231030077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013231030103) 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, 77431962684 + ... + 77431962709.

It is an arithmetic number, because the mean of its divisors is an integer number (542023738879).

Almost surely, 2^{2013231030109} is an apocalyptic number.

It is an amenable number.

2013231030109 is a deficient number, since it is larger than the sum of its proper divisors (154863925407).

2013231030109 is a wasteful number, since it uses less digits than its factorization.

2013231030109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154863925406.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 2013231030109 in words is "two trillion, thirteen billion, two hundred thirty-one million, thirty thousand, one hundred nine".