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431103240121 = 4378712739081
BaseRepresentation
bin1100100010111111100…
…00010110011110111001
31112012202022210200022011
412101133300112132321
524030344412140441
6530013542325521
743101066036241
oct6213760263671
91465668720264
10431103240121
111569145a4024
126b6737298a1
1331864449b38
1416c18d50b21
15b3322e8581
hex645fc167b9

431103240121 has 8 divisors (see below), whose sum is σ = 441689451104. Its totient is φ = 420542508960.

The previous prime is 431103240119. The next prime is 431103240163. The reversal of 431103240121 is 121042301134.

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 431103240121 - 21 = 431103240119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431103240092 and 431103240101.

It is not an unprimeable number, because it can be changed into a prime (431103240181) 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, 6335700 + ... + 6403381.

It is an arithmetic number, because the mean of its divisors is an integer number (55211181388).

Almost surely, 2431103240121 is an apocalyptic number.

It is an amenable number.

431103240121 is a deficient number, since it is larger than the sum of its proper divisors (10586210983).

431103240121 is a wasteful number, since it uses less digits than its factorization.

431103240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12739911.

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

Adding to 431103240121 its reverse (121042301134), we get a palindrome (552145541255).

The spelling of 431103240121 in words is "four hundred thirty-one billion, one hundred three million, two hundred forty thousand, one hundred twenty-one".

Divisors: 1 43 787 33841 12739081 547780483 10025656747 431103240121