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122551241431 is a prime number
BaseRepresentation
bin111001000100010011…
…1111000101011010111
3102201022210210002210211
41302020213320223113
54001441104211211
6132144350230251
711565635236033
oct1621047705327
9381283702724
10122551241431
1147a78a87613
121b9021b5387
13b730917c98
145d080d51c3
1532c3e53e21
hex1c889f8ad7

122551241431 has 2 divisors, whose sum is σ = 122551241432. Its totient is φ = 122551241430.

The previous prime is 122551241341. The next prime is 122551241473. The reversal of 122551241431 is 134142155221.

Together with previous prime (122551241341) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122551241431 - 213 = 122551233239 is a prime.

It is a super-2 number, since 2×1225512414312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122551241393 and 122551241402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122551241831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61275620715 + 61275620716.

It is an arithmetic number, because the mean of its divisors is an integer number (61275620716).

Almost surely, 2122551241431 is an apocalyptic number.

122551241431 is a deficient number, since it is larger than the sum of its proper divisors (1).

122551241431 is an equidigital number, since it uses as much as digits as its factorization.

122551241431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

Adding to 122551241431 its reverse (134142155221), we get a palindrome (256693396652).

The spelling of 122551241431 in words is "one hundred twenty-two billion, five hundred fifty-one million, two hundred forty-one thousand, four hundred thirty-one".