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31001701330 = 2517182362949
BaseRepresentation
bin11100110111110110…
…000110101111010010
32222000120011121021101
4130313312012233102
51001442413420310
622124134015014
72145152053615
oct346766065722
988016147241
1031001701330
111216971a076
1260124a746a
132c00a79792
1417014ba17c
15c16a4443a
hex737d86bd2

31001701330 has 16 divisors (see below), whose sum is σ = 59085595800. Its totient is φ = 11671228672.

The previous prime is 31001701327. The next prime is 31001701343. The reversal of 31001701330 is 3310710013.

It is a happy number.

It is a Cunningham number, because it is equal to 1760732+1.

It can be written as a sum of positive squares in 4 ways, for example, as 24136418881 + 6865282449 = 155359^2 + 82857^2 .

It is a super-2 number, since 2×310017013302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31001701298 and 31001701307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91181305 + ... + 91181644.

Almost surely, 231001701330 is an apocalyptic number.

31001701330 is a deficient number, since it is larger than the sum of its proper divisors (28083894470).

31001701330 is a wasteful number, since it uses less digits than its factorization.

31001701330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182362973.

The product of its (nonzero) digits is 189, while the sum is 19.

The spelling of 31001701330 in words is "thirty-one billion, one million, seven hundred one thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 182362949 364725898 911814745 1823629490 3100170133 6200340266 15500850665 31001701330