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1311103106434 = 211292055020543
BaseRepresentation
bin10011000101000011110…
…101011011110110000010
311122100012000210200220101
4103011003311123312002
5132440114343401214
62442151253433014
7163503233345152
oct23050365336602
94570160720811
101311103106434
11466043583410
1219212593b76a
13968374b24c4
144765a018762
1524188a7e774
hex13143d5bd82

1311103106434 has 16 divisors (see below), whose sum is σ = 2219422187520. Its totient is φ = 575405751760.

The previous prime is 1311103106413. The next prime is 1311103106437. The reversal of 1311103106434 is 4346013011131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1311103106437) 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, 1027509634 + ... + 1027510909.

It is an arithmetic number, because the mean of its divisors is an integer number (138713886720).

Almost surely, 21311103106434 is an apocalyptic number.

1311103106434 is a deficient number, since it is larger than the sum of its proper divisors (908319081086).

1311103106434 is a wasteful number, since it uses less digits than its factorization.

1311103106434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055020585.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 1311103106434 its reverse (4346013011131), we get a palindrome (5657116117565).

The spelling of 1311103106434 in words is "one trillion, three hundred eleven billion, one hundred three million, one hundred six thousand, four hundred thirty-four".

Divisors: 1 2 11 22 29 58 319 638 2055020543 4110041086 22605225973 45210451946 59595595747 119191191494 655551553217 1311103106434