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31344300142 = 2313174728661
BaseRepresentation
bin11101001100010001…
…000001000001101110
32222220102211102111021
4131030101001001232
51003143120101032
622222133044354
72156512104151
oct351421010156
988812742437
1031344300142
1112325049691
1260a91866ba
132c56a40c7c
141734bbbc98
15c36b6a097
hex74c44106e

31344300142 has 16 divisors (see below), whose sum is σ = 47195307792. Its totient is φ = 15612592320.

The previous prime is 31344300107. The next prime is 31344300179. The reversal of 31344300142 is 24100344313.

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, 1079292 + ... + 1107952.

It is an arithmetic number, because the mean of its divisors is an integer number (2949706737).

Almost surely, 231344300142 is an apocalyptic number.

31344300142 is a deficient number, since it is larger than the sum of its proper divisors (15851007650).

31344300142 is a wasteful number, since it uses less digits than its factorization.

31344300142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30723.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31344300142 its reverse (24100344313), we get a palindrome (55444644455).

The spelling of 31344300142 in words is "thirty-one billion, three hundred forty-four million, three hundred thousand, one hundred forty-two".

Divisors: 1 2 313 626 1747 3494 28661 57322 546811 1093622 8970893 17941786 50070767 100141534 15672150071 31344300142