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122324531431 = 53243547359
BaseRepresentation
bin111000111101100011…
…1000011100011100111
3102200202000012001011011
41301323013003203213
54001010040001211
6132110051123051
711560213234654
oct1617307034347
9380660161134
10122324531431
1147972010a83
121b85a2a3487
13b6c596b35b
145cc5d5cc2b
1532ae0c0921
hex1c7b1c38e7

122324531431 has 6 divisors (see below), whose sum is σ = 124676091680. Its totient is φ = 120016518648.

The previous prime is 122324531411. The next prime is 122324531473. The reversal of 122324531431 is 134135423221.

It is a de Polignac number, because none of the positive numbers 2k-122324531431 is a prime.

It is a super-2 number, since 2×1223245314312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122324531393 and 122324531402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122324531411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21770871 + ... + 21776488.

Almost surely, 2122324531431 is an apocalyptic number.

122324531431 is a deficient number, since it is larger than the sum of its proper divisors (2351560249).

122324531431 is an frugal number, since it uses more digits than its factorization.

122324531431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43547465 (or 43547412 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

Adding to 122324531431 its reverse (134135423221), we get a palindrome (256459954652).

The spelling of 122324531431 in words is "one hundred twenty-two billion, three hundred twenty-four million, five hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 53 2809 43547359 2308010027 122324531431