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31304325342 = 239295616133
BaseRepresentation
bin11101001001111000…
…100001100011011110
32222210122121111101010
4131021320201203132
51003102401402332
622214144200050
72155515242433
oct351170414336
988718544333
1031304325342
1112304525a64
126097909026
132c4b685a44
14172d773b8a
15c333c09cc
hex749e218de

31304325342 has 16 divisors (see below), whose sum is σ = 62676055440. Its totient is φ = 10423540992.

The previous prime is 31304325323. The next prime is 31304325391. The reversal of 31304325342 is 24352340313.

It is a congruent number.

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, 2802493 + ... + 2813640.

It is an arithmetic number, because the mean of its divisors is an integer number (3917253465).

Almost surely, 231304325342 is an apocalyptic number.

31304325342 is an abundant number, since it is smaller than the sum of its proper divisors (31371730098).

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

31304325342 is a wasteful number, since it uses less digits than its factorization.

31304325342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617067.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 31304325342 its reverse (24352340313), we get a palindrome (55656665655).

The spelling of 31304325342 in words is "thirty-one billion, three hundred four million, three hundred twenty-five thousand, three hundred forty-two".

Divisors: 1 2 3 6 929 1858 2787 5574 5616133 11232266 16848399 33696798 5217387557 10434775114 15652162671 31304325342