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2131311232424 = 231124219445823
BaseRepresentation
bin11111000000111100000…
…011001000010110101000
321112202021202002121022202
4133000330003020112220
5234404411133414144
64311035540235332
7306660610364333
oct37007403102650
97482252077282
102131311232424
1175197a69a280
122a508b99bb48
13125c9bca767a
147522816161a
153a690eee64e
hex1f03c0c85a8

2131311232424 has 16 divisors (see below), whose sum is σ = 4359500248320. Its totient is φ = 968777832880.

The previous prime is 2131311232363. The next prime is 2131311232433. The reversal of 2131311232424 is 4242321131312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12109722824 + ... + 12109722999.

It is an arithmetic number, because the mean of its divisors is an integer number (272468765520).

Almost surely, 22131311232424 is an apocalyptic number.

It is an amenable number.

2131311232424 is an abundant number, since it is smaller than the sum of its proper divisors (2228189015896).

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

2131311232424 is a wasteful number, since it uses less digits than its factorization.

2131311232424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24219445840 (or 24219445836 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 2131311232424 its reverse (4242321131312), we get a palindrome (6373632363736).

The spelling of 2131311232424 in words is "two trillion, one hundred thirty-one billion, three hundred eleven million, two hundred thirty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 24219445823 48438891646 96877783292 193755566584 266413904053 532827808106 1065655616212 2131311232424