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1311330101 = 31411031731
BaseRepresentation
bin100111000101001…
…0100111100110101
310101101111110201112
41032022110330311
510141200030401
6334042204405
744332056554
oct11612247465
93341443645
101311330101
11613236794
123071b3705
1317b8a4093
14c622dd9b
157a1cc3bb
hex4e294f35

1311330101 has 8 divisors (see below), whose sum is σ = 1386647808. Its totient is φ = 1238076000.

The previous prime is 1311330067. The next prime is 1311330103. The reversal of 1311330101 is 1010331131.

It is a happy number.

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 1311330101 - 210 = 1311329077 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 (1311330103) 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, 514595 + ... + 517136.

It is an arithmetic number, because the mean of its divisors is an integer number (173330976).

Almost surely, 21311330101 is an apocalyptic number.

It is an amenable number.

1311330101 is a deficient number, since it is larger than the sum of its proper divisors (75317707).

1311330101 is a wasteful number, since it uses less digits than its factorization.

1311330101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031803.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1311330101 is about 36212.2921257409. The cubic root of 1311330101 is about 1094.5543806466.

Adding to 1311330101 its reverse (1010331131), we get a palindrome (2321661232).

The spelling of 1311330101 in words is "one billion, three hundred eleven million, three hundred thirty thousand, one hundred one".

Divisors: 1 31 41 1271 1031731 31983661 42300971 1311330101