Search a number
-
+
131321011013331 = 3739199729661319
BaseRepresentation
bin11101110110111110001110…
…001101101000011011010011
3122012222011111001021210210220
4131312332032031220123103
5114203030412304411311
61143144012320324123
736442426034100606
oct3566761615503323
9565864431253726
10131321011013331
113892aa23204747
121288aa84a73643
13583769764c299
14245dd8400633d
15102ae62d94206
hex776f8e3686d3

131321011013331 has 16 divisors (see below), whose sum is σ = 175419419385600. Its totient is φ = 87385090314528.

The previous prime is 131321011013329. The next prime is 131321011013341. The reversal of 131321011013331 is 133310110123131.

It is not a de Polignac number, because 131321011013331 - 21 = 131321011013329 is a prime.

It is a super-2 number, since 2×1313210110133312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131321011013341) 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, 10403311 + ... + 19258008.

It is an arithmetic number, because the mean of its divisors is an integer number (10963713711600).

Almost surely, 2131321011013331 is an apocalyptic number.

131321011013331 is a deficient number, since it is larger than the sum of its proper divisors (44098408372269).

131321011013331 is a wasteful number, since it uses less digits than its factorization.

131321011013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29664058.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 131321011013331 its reverse (133310110123131), we get a palindrome (264631121136462).

The spelling of 131321011013331 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, eleven million, thirteen thousand, three hundred thirty-one".

Divisors: 1 3 739 1997 2217 5991 1475783 4427349 29661319 88983957 21919714741 59233654043 65759144223 177700962129 43773670337777 131321011013331