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31351540034 = 283251752449
BaseRepresentation
bin11101001100101100…
…101000100101000010
32222220221110020202102
4131030230220211002
51003201443240114
622222552150402
72156630456543
oct351454504502
988827406672
1031351540034
1112329144071
1260ab698402
132c583a7429
141735b444ca
15c375ea2de
hex74cb28942

31351540034 has 16 divisors (see below), whose sum is σ = 47783584800. Its totient is φ = 15425184000.

The previous prime is 31351540001. The next prime is 31351540039. The reversal of 31351540034 is 43004515313.

It is a junction number, because it is equal to n+sod(n) for n = 31351539979 and 31351540006.

It is not an unprimeable number, because it can be changed into a prime (31351540039) 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, 334559 + ... + 417890.

It is an arithmetic number, because the mean of its divisors is an integer number (2986474050).

Almost surely, 231351540034 is an apocalyptic number.

31351540034 is a deficient number, since it is larger than the sum of its proper divisors (16432044766).

31351540034 is a wasteful number, since it uses less digits than its factorization.

31351540034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752785.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 31351540034 in words is "thirty-one billion, three hundred fifty-one million, five hundred forty thousand, thirty-four".

Divisors: 1 2 83 166 251 502 20833 41666 752449 1504898 62453267 124906534 188864699 377729398 15675770017 31351540034