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1311060353421 = 37135814782591
BaseRepresentation
bin10011000101000001010…
…010010110000110001101
311122100002001100121210110
4103011001102112012031
5132440022422302141
62442143125230233
7163502204062620
oct23050122260615
94570061317713
101311060353421
11466021432445
12192113562379
139682b693870
1447654489db7
1524184e36e16
hex1314149618d

1311060353421 has 32 divisors (see below), whose sum is σ = 2151546707968. Its totient is φ = 691528052160.

The previous prime is 1311060353417. The next prime is 1311060353429. The reversal of 1311060353421 is 1243530601131.

It is not a de Polignac number, because 1311060353421 - 22 = 1311060353417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311060353429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15832836 + ... + 15915426.

It is an arithmetic number, because the mean of its divisors is an integer number (67235834624).

Almost surely, 21311060353421 is an apocalyptic number.

It is an amenable number.

1311060353421 is a deficient number, since it is larger than the sum of its proper divisors (840486354547).

1311060353421 is a wasteful number, since it uses less digits than its factorization.

1311060353421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140761.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 1311060353421 its reverse (1243530601131), we get a palindrome (2554590954552).

The spelling of 1311060353421 in words is "one trillion, three hundred eleven billion, sixty million, three hundred fifty-three thousand, four hundred twenty-one".

Divisors: 1 3 7 13 21 39 91 273 58147 82591 174441 247773 407029 578137 755911 1073683 1221087 1734411 2267733 3221049 5291377 7515781 15874131 22547343 4802418877 14407256631 33616932139 62431445401 100850796417 187294336203 437020117807 1311060353421