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1311300101 = 8914733709
BaseRepresentation
bin100111000101000…
…1101101000000101
310101101102221120102
41032022031220011
510141143100401
6334041413445
744331603236
oct11612155005
93341387512
101311300101
116132161a1
1230719a285
1317b893527
14c622308d
157a1c356b
hex4e28da05

1311300101 has 4 divisors (see below), whose sum is σ = 1326033900. Its totient is φ = 1296566304.

The previous prime is 1311300077. The next prime is 1311300113. The reversal of 1311300101 is 1010031131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 829497601 + 481802500 = 28801^2 + 21950^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311300101 - 226 = 1244191237 is a prime.

It is a super-2 number, since 2×13113001012 = 3439015909765220402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311300191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7366766 + ... + 7366943.

It is an arithmetic number, because the mean of its divisors is an integer number (331508475).

Almost surely, 21311300101 is an apocalyptic number.

It is an amenable number.

1311300101 is a deficient number, since it is larger than the sum of its proper divisors (14733799).

1311300101 is an equidigital number, since it uses as much as digits as its factorization.

1311300101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14733798.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1311300101 is about 36211.8778993854. The cubic root of 1311300101 is about 1094.5460336810.

Adding to 1311300101 its reverse (1010031131), we get a palindrome (2321331232).

The spelling of 1311300101 in words is "one billion, three hundred eleven million, three hundred thousand, one hundred one".

Divisors: 1 89 14733709 1311300101