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312011000110213 = 73137135232307031
BaseRepresentation
bin100011011110001011011100…
…0110100111101110010000101
31111220201221221001200012001221
41012330112320310331302011
5311343442012012011323
63023331512532520341
7122502023306054545
oct10674267064756205
91456657831605057
10312011000110213
11904641384a79a8
122abb19a47800b1
1310513684a5a251
1457095ad313325
1526111c734155d
hex11bc5b8d3dc85

312011000110213 has 16 divisors (see below), whose sum is σ = 318617471442816. Its totient is φ = 305467899390720.

The previous prime is 312011000110177. The next prime is 312011000110267.

It is a happy number.

312011000110213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312011000110213 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 (312011000110913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134090008 + ... + 136397038.

It is an arithmetic number, because the mean of its divisors is an integer number (19913591965176).

Almost surely, 2312011000110213 is an apocalyptic number.

It is an amenable number.

312011000110213 is a deficient number, since it is larger than the sum of its proper divisors (6606471332603).

312011000110213 is a wasteful number, since it uses less digits than its factorization.

312011000110213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320764.

The product of its (nonzero) digits is 36, while the sum is 16.

It can be divided in two parts, 312011000 and 110213, that added together give a palindrome (312121213).

The spelling of 312011000110213 in words is "three hundred twelve trillion, eleven billion, one hundred ten thousand, two hundred thirteen".

Divisors: 1 73 137 10001 13523 987179 1852651 2307031 135243523 168413263 316063247 23072617031 31197980213 2277452555549 4274123289181 312011000110213