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131313023230330 = 2540132746389833
BaseRepresentation
bin11101110110110110110010…
…000110101010000101111010
3122012221101212100212101111001
4131312312302012222011322
5114202413032421332310
61143140211534355214
736442024062052534
oct3566666206520572
9565841770771431
10131313023230330
11389275a4321097
121288941595bb0a
1358369c37c5b76
14245d8271dc854
15102ab469ad93a
hex776db21aa17a

131313023230330 has 16 divisors (see below), whose sum is σ = 236952876838824. Its totient is φ = 52394223731200.

The previous prime is 131313023230327. The next prime is 131313023230357. The reversal of 131313023230330 is 33032320313131.

It can be written as a sum of positive squares in 4 ways, for example, as 127953357852609 + 3359665377721 = 11311647^2 + 1832939^2 .

It is a super-2 number, since 2×1313130232303302 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16373190907 + ... + 16373198926.

Almost surely, 2131313023230330 is an apocalyptic number.

131313023230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131313023230330 is a deficient number, since it is larger than the sum of its proper divisors (105639853608494).

131313023230330 is a wasteful number, since it uses less digits than its factorization.

131313023230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32746390241.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 131313023230330 its reverse (33032320313131), we get a palindrome (164345343543461).

The spelling of 131313023230330 in words is "one hundred thirty-one trillion, three hundred thirteen billion, twenty-three million, two hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 401 802 2005 4010 32746389833 65492779666 163731949165 327463898330 13131302323033 26262604646066 65656511615165 131313023230330