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2312030112013 = 11931937996741
BaseRepresentation
bin100001101001001111101…
…110111100100100001101
322012000202100112212222101
4201221033232330210031
5300340014202041023
64530044301115101
7326016155460316
oct41511756744415
98160670485871
102312030112013
118115877a6316
12314106258a91
1313a03c83b74b
147dc8d60b60d
154021b8a91ad
hex21a4fbbc90d

2312030112013 has 4 divisors (see below), whose sum is σ = 2313968109948. Its totient is φ = 2310092114080.

The previous prime is 2312030111999. The next prime is 2312030112019. The reversal of 2312030112013 is 3102110302132.

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 1288365743844 + 1023664368169 = 1135062^2 + 1011763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2312030112013 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 (2312030112019) 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, 968997178 + ... + 968999563.

It is an arithmetic number, because the mean of its divisors is an integer number (578492027487).

Almost surely, 22312030112013 is an apocalyptic number.

It is an amenable number.

2312030112013 is a deficient number, since it is larger than the sum of its proper divisors (1937997935).

2312030112013 is a wasteful number, since it uses less digits than its factorization.

2312030112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937997934.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2312030112013 its reverse (3102110302132), we get a palindrome (5414140414145).

The spelling of 2312030112013 in words is "two trillion, three hundred twelve billion, thirty million, one hundred twelve thousand, thirteen".

Divisors: 1 1193 1937996741 2312030112013