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1324121431 = 23127453311
BaseRepresentation
bin100111011101100…
…0111110101010111
310102021120100010111
41032323013311113
510202433341211
6335220303451
744545563223
oct11673076527
93367510114
101324121431
1161a483036
1230b541b87
13181432309
14c7bdd783
157b3a7421
hex4eec7d57

1324121431 has 8 divisors (see below), whose sum is σ = 1392574464. Its totient is φ = 1256575320.

The previous prime is 1324121401. The next prime is 1324121453. The reversal of 1324121431 is 1341214231.

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

It is a cyclic number.

It is not a de Polignac number, because 1324121431 - 25 = 1324121399 is a prime.

It is a super-2 number, since 2×13241214312 = 3506595128066975522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324121401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223735 + ... + 229576.

It is an arithmetic number, because the mean of its divisors is an integer number (174071808).

Almost surely, 21324121431 is an apocalyptic number.

1324121431 is a deficient number, since it is larger than the sum of its proper divisors (68453033).

1324121431 is a wasteful number, since it uses less digits than its factorization.

1324121431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453461.

The product of its digits is 576, while the sum is 22.

The square root of 1324121431 is about 36388.4793719111. The cubic root of 1324121431 is about 1098.1018037045.

Adding to 1324121431 its reverse (1341214231), we get a palindrome (2665335662).

The spelling of 1324121431 in words is "one billion, three hundred twenty-four million, one hundred twenty-one thousand, four hundred thirty-one".

Divisors: 1 23 127 2921 453311 10426153 57570497 1324121431