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30311013102 = 23113222120129
BaseRepresentation
bin11100001110101011…
…010101101011101110
32220020102112000010220
4130032223111223232
5444034104404402
621531422112210
72122064234406
oct341653255356
986212460126
1030311013102
111194485a857
125a5b11b666
132b2094a916
141677887806
15bc60b0dbc
hex70ead5aee

30311013102 has 32 divisors (see below), whose sum is σ = 61189080480. Its totient is φ = 10009251840.

The previous prime is 30311013079. The next prime is 30311013119. The reversal of 30311013102 is 20131011303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495774 + ... + 1515902.

It is an arithmetic number, because the mean of its divisors is an integer number (1912158765).

Almost surely, 230311013102 is an apocalyptic number.

30311013102 is an abundant number, since it is smaller than the sum of its proper divisors (30878067378).

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

30311013102 is a wasteful number, since it uses less digits than its factorization.

30311013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22468.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30311013102 its reverse (20131011303), we get a palindrome (50442024405).

The spelling of 30311013102 in words is "thirty billion, three hundred eleven million, thirteen thousand, one hundred two".

Divisors: 1 2 3 6 113 226 339 678 2221 4442 6663 13326 20129 40258 60387 120774 250973 501946 752919 1505838 2274577 4549154 6823731 13647462 44706509 89413018 134119527 268239054 5051835517 10103671034 15155506551 30311013102