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102031301122 = 251015650561
BaseRepresentation
bin101111100000110001…
…0100001101000000010
3100202100201220010112121
41133001202201220002
53132430003113442
6114512244514454
710241300515132
oct1370142415002
9322321803477
10102031301122
113a2a9011763
12179360aba2a
1398105c607a
144d1cb46ac2
1529c2731967
hex17c18a1a02

102031301122 has 4 divisors (see below), whose sum is σ = 153046951686. Its totient is φ = 51015650560.

The previous prime is 102031301081. The next prime is 102031301123. The reversal of 102031301122 is 221103130201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79896110281 + 22135190841 = 282659^2 + 148779^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102031301096 and 102031301105.

It is not an unprimeable number, because it can be changed into a prime (102031301123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25507825279 + ... + 25507825282.

Almost surely, 2102031301122 is an apocalyptic number.

102031301122 is a deficient number, since it is larger than the sum of its proper divisors (51015650564).

102031301122 is an equidigital number, since it uses as much as digits as its factorization.

102031301122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51015650563.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102031301122 its reverse (221103130201), we get a palindrome (323134431323).

The spelling of 102031301122 in words is "one hundred two billion, thirty-one million, three hundred one thousand, one hundred twenty-two".

Divisors: 1 2 51015650561 102031301122