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101222345531 is a prime number
BaseRepresentation
bin101111001000101010…
…0100110101100111011
3100200021100200221002102
41132101110212230323
53124300410024111
6114300110054015
710212245512046
oct1362124465473
9320240627072
10101222345531
1139a2341441a
121774b1aa30b
139711b28b18
144c83529c5d
1529766db13b
hex1791526b3b

101222345531 has 2 divisors, whose sum is σ = 101222345532. Its totient is φ = 101222345530.

The previous prime is 101222345519. The next prime is 101222345551. The reversal of 101222345531 is 135543222101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101222345531 - 26 = 101222345467 is a prime.

It is a super-2 number, since 2×1012223455312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101222345494 and 101222345503.

It is not a weakly prime, because it can be changed into another prime (101222345501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611172765 + 50611172766.

It is an arithmetic number, because the mean of its divisors is an integer number (50611172766).

Almost surely, 2101222345531 is an apocalyptic number.

101222345531 is a deficient number, since it is larger than the sum of its proper divisors (1).

101222345531 is an equidigital number, since it uses as much as digits as its factorization.

101222345531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 101222345531 its reverse (135543222101), we get a palindrome (236765567632).

The spelling of 101222345531 in words is "one hundred one billion, two hundred twenty-two million, three hundred forty-five thousand, five hundred thirty-one".