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31120130302318 = 2107823491765913
BaseRepresentation
bin1110001001101101110000…
…10011111110000101101110
311002012001111101110211122101
413010312320103332011232
513034333011324133233
6150104220203005314
76361232561020621
oct704667023760556
9132161441424571
1031120130302318
119a08a7828a132
1235a735880983a
1314498008b53c5
14798318177db8
1538e78cb83c7d
hex1c4db84fe16e

31120130302318 has 16 divisors (see below), whose sum is σ = 47117057799600. Its totient is φ = 15414448065856.

The previous prime is 31120130302297. The next prime is 31120130302319. The reversal of 31120130302318 is 81320303102113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120130302319) 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, 16739730 + ... + 18505642.

It is an arithmetic number, because the mean of its divisors is an integer number (2944816112475).

Almost surely, 231120130302318 is an apocalyptic number.

31120130302318 is a deficient number, since it is larger than the sum of its proper divisors (15996927497282).

31120130302318 is a wasteful number, since it uses less digits than its factorization.

31120130302318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848371.

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

The spelling of 31120130302318 in words is "thirty-one trillion, one hundred twenty billion, one hundred thirty million, three hundred two thousand, three hundred eighteen".

Divisors: 1 2 107 214 82349 164698 1765913 3531826 8811343 17622686 188952691 377905382 145421169637 290842339274 15560065151159 31120130302318