Search a number
-
+
13031211010131 = 3226367712916299
BaseRepresentation
bin1011110110100001000010…
…1101000000100001010011
31201010202211111112010020200
42331220100231000201103
53202000410004311011
643414242232510243
72513321361663126
oct275502055004123
951122744463220
1013031211010131
11417456198a646
12156565224b383
13736ab7bcb252
143309dd2283bd
15178e89773856
hexbda10b40853

13031211010131 has 48 divisors (see below), whose sum is σ = 18940002681600. Its totient is φ = 8633593650240.

The previous prime is 13031211010123. The next prime is 13031211010141. The reversal of 13031211010131 is 13101011213031.

It is not a de Polignac number, because 13031211010131 - 23 = 13031211010123 is a prime.

It is a super-2 number, since 2×130312110101312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13031211010141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2068771420 + ... + 2068777718.

It is an arithmetic number, because the mean of its divisors is an integer number (394583389200).

Almost surely, 213031211010131 is an apocalyptic number.

13031211010131 is a deficient number, since it is larger than the sum of its proper divisors (5908791671469).

13031211010131 is a wasteful number, since it uses less digits than its factorization.

13031211010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536 (or 8533 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 13031211010131 its reverse (13101011213031), we get a palindrome (26132222223162).

The spelling of 13031211010131 in words is "thirteen trillion, thirty-one billion, two hundred eleven million, ten thousand, one hundred thirty-one".

Divisors: 1 3 9 263 677 789 1291 2031 2367 3873 6093 6299 11619 18897 56691 178051 339533 534153 874007 1018599 1602459 1656637 2622021 3055797 4264423 4969911 7866063 8132009 12793269 14909733 24396027 38379807 73188081 229863841 689591523 1121543249 2068774569 2138718367 3364629747 5505370093 6416155101 10093889241 16516110279 19248465303 49548330837 1447912334459 4343737003377 13031211010131