Search a number
-
+
312131402241113 = 71313063262574861
BaseRepresentation
bin100011011111000011100000…
…1010110101001010001011001
31111221011110201002112011110102
41012332013001112221101121
5311402430102433203423
63023503104152225145
7122513515060225340
oct10676070126512131
91457143632464412
10312131402241113
1190500203352a04
122b0111a709b1b5
1310521b32350aa0
145711351c16b57
1526143c277bc28
hex11be1c15a9459

312131402241113 has 16 divisors (see below), whose sum is σ = 384191135682816. Its totient is φ = 246942203135040.

The previous prime is 312131402241103. The next prime is 312131402241157. The reversal of 312131402241113 is 311142204131213.

It is not a de Polignac number, because 312131402241113 - 216 = 312131402175577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312131402241103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130098698 + ... + 132476163.

It is an arithmetic number, because the mean of its divisors is an integer number (24011945980176).

Almost surely, 2312131402241113 is an apocalyptic number.

It is an amenable number.

312131402241113 is a deficient number, since it is larger than the sum of its proper divisors (72059733441703).

312131402241113 is a wasteful number, since it uses less digits than its factorization.

312131402241113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262587944.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 312131402241113 its reverse (311142204131213), we get a palindrome (623273606372326).

The spelling of 312131402241113 in words is "three hundred twelve trillion, one hundred thirty-one billion, four hundred two million, two hundred forty-one thousand, one hundred thirteen".

Divisors: 1 7 13 91 13063 91441 169819 1188733 262574861 1838024027 3413473193 23894312351 3430015409243 24010107864701 44590200320159 312131402241113