Search a number
-
+
13031213132311 = 112788674248103
BaseRepresentation
bin1011110110100001000011…
…0101000110101000010111
31201010202211122111221022221
42331220100311012220113
53202000411030213221
643414242350203211
72513321416012213
oct275502065065027
951122748457287
1013031213132311
1141745630aa010
121565652ab3507
13736ab849218a
143309dd61b943
15178e89a42541
hexbda10d46a17

13031213132311 has 8 divisors (see below), whose sum is σ = 14215923195264. Its totient is φ = 11846512123320.

The previous prime is 13031213132309. The next prime is 13031213132341. The reversal of 13031213132311 is 11323131213031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13031213132311 - 21 = 13031213132309 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 (13031213132341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943486 + ... + 5191588.

It is an arithmetic number, because the mean of its divisors is an integer number (1776990399408).

Almost surely, 213031213132311 is an apocalyptic number.

13031213132311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13031213132311 is a deficient number, since it is larger than the sum of its proper divisors (1184710062953).

13031213132311 is a wasteful number, since it uses less digits than its factorization.

13031213132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526981.

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

Adding to 13031213132311 its reverse (11323131213031), we get a palindrome (24354344345342).

The spelling of 13031213132311 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred eleven".

Divisors: 1 11 278867 3067537 4248103 46729133 1184655739301 13031213132311