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2131110332312 = 231320491445503
BaseRepresentation
bin11111000000110000000…
…100110000011110011000
321112201202202001211011212
4133000300010300132120
5234404003221113222
64311004002242252
7306652620640613
oct37006004603630
97481682054155
102131110332312
11751887252025
122a5034656388
13125c69496770
14752095c717a
153a67d5686e2
hex1f030130798

2131110332312 has 16 divisors (see below), whose sum is σ = 4303203555840. Its totient is φ = 983589384096.

The previous prime is 2131110332231. The next prime is 2131110332339. The reversal of 2131110332312 is 2132330111312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10245722648 + ... + 10245722855.

It is an arithmetic number, because the mean of its divisors is an integer number (268950222240).

Almost surely, 22131110332312 is an apocalyptic number.

It is an amenable number.

2131110332312 is an abundant number, since it is smaller than the sum of its proper divisors (2172093223528).

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

2131110332312 is a wasteful number, since it uses less digits than its factorization.

2131110332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20491445522 (or 20491445518 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2131110332312 its reverse (2132330111312), we get a palindrome (4263440443624).

The spelling of 2131110332312 in words is "two trillion, one hundred thirty-one billion, one hundred ten million, three hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 20491445503 40982891006 81965782012 163931564024 266388791539 532777583078 1065555166156 2131110332312