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31300430242442 = 270122325556521
BaseRepresentation
bin1110001110111101100110…
…00001101010001010001010
311002211021212210121210101112
413013132303001222022022
513100311240120224232
6150323115200250322
76410244561151004
oct707366301521212
9132737783553345
1031300430242442
119a7848a964809
1236162969109a2
1314608057063ca
147a2d3db2d374
153942e18884b2
hex1c77b306a28a

31300430242442 has 8 divisors (see below), whose sum is σ = 47017622035332. Its totient is φ = 15627889564000.

The previous prime is 31300430242409. The next prime is 31300430242481. The reversal of 31300430242442 is 24424203400313.

It can be written as a sum of positive squares in 2 ways, for example, as 25779899366881 + 5520530875561 = 5077391^2 + 2349581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31300430242399 and 31300430242408.

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, 11162776859 + ... + 11162779662.

Almost surely, 231300430242442 is an apocalyptic number.

31300430242442 is a deficient number, since it is larger than the sum of its proper divisors (15717191792890).

31300430242442 is a wasteful number, since it uses less digits than its factorization.

31300430242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22325557224.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 31300430242442 its reverse (24424203400313), we get a palindrome (55724633642755).

The spelling of 31300430242442 in words is "thirty-one trillion, three hundred billion, four hundred thirty million, two hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 701 1402 22325556521 44651113042 15650215121221 31300430242442