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2013010131 = 31182973583
BaseRepresentation
bin111011111111100…
…0001100011010011
312012021211111202210
41313333001203103
513110312311011
6531425443203
7100612206126
oct16777014323
95167744683
102013010131
11943323340
124821a0503
13261081072
141514c43bd
15bbad26a6
hex77fc18d3

2013010131 has 16 divisors (see below), whose sum is σ = 2931586560. Its totient is φ = 1218517920.

The previous prime is 2013010091. The next prime is 2013010177. The reversal of 2013010131 is 1310103102.

It is not a de Polignac number, because 2013010131 - 27 = 2013010003 is a prime.

It is a super-2 number, since 2×20130101312 = 8104419575017274322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2013060131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9435 + ... + 64148.

It is an arithmetic number, because the mean of its divisors is an integer number (183224160).

Almost surely, 22013010131 is an apocalyptic number.

2013010131 is a deficient number, since it is larger than the sum of its proper divisors (918576429).

2013010131 is a wasteful number, since it uses less digits than its factorization.

2013010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74426.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2013010131 is about 44866.5814498943. The cubic root of 2013010131 is about 1262.6471036774.

Adding to 2013010131 its reverse (1310103102), we get a palindrome (3323113233).

The spelling of 2013010131 in words is "two billion, thirteen million, ten thousand, one hundred thirty-one".

Divisors: 1 3 11 33 829 2487 9119 27357 73583 220749 809413 2428239 61000307 183000921 671003377 2013010131