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101311131330 = 23251125679237
BaseRepresentation
bin101111001011010011…
…1010010111011000010
3100200111112202201022100
41132112213102323002
53124441122200310
6114313001051230
710214404256553
oct1362647227302
9320445681270
10101311131330
1139a69546512
1217774a86b16
1397273441b6
144c9123c32a
15297e3c7ec0
hex17969d2ec2

101311131330 has 24 divisors (see below), whose sum is σ = 263408941692. Its totient is φ = 27016301664.

The previous prime is 101311131319. The next prime is 101311131349. The reversal of 101311131330 is 33131113101.

101311131330 is a `hidden beast` number, since 10 + 1 + 311 + 1 + 313 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85835522529 + 15475608801 = 292977^2 + 124401^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562839529 + ... + 562839708.

Almost surely, 2101311131330 is an apocalyptic number.

101311131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101311131330 is an abundant number, since it is smaller than the sum of its proper divisors (162097810362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101311131330 is a wasteful number, since it uses less digits than its factorization.

101311131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125679250 (or 1125679247 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 101311131330 its reverse (33131113101), we get a palindrome (134442244431).

The spelling of 101311131330 in words is "one hundred one billion, three hundred eleven million, one hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1125679237 2251358474 3377037711 5628396185 6754075422 10131113133 11256792370 16885188555 20262226266 33770377110 50655565665 101311131330