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431231234212 = 221959970113513
BaseRepresentation
bin1100100011001110110…
…00100111000010100100
31112020002020122110012001
412101213120213002210
524031130143443322
6530034353535044
743104212003662
oct6214730470244
91466066573161
10431231234212
1115697a875969
126b6aa574484
1331884b1259c
1416c2bd4bc32
15b33d67c827
hex64676270a4

431231234212 has 48 divisors (see below), whose sum is σ = 796893552000. Its totient is φ = 203620435200.

The previous prime is 431231234167. The next prime is 431231234243. The reversal of 431231234212 is 212432132134.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31905568 + ... + 31919080.

It is an arithmetic number, because the mean of its divisors is an integer number (16601949000).

Almost surely, 2431231234212 is an apocalyptic number.

It is an amenable number.

431231234212 is a deficient number, since it is larger than the sum of its proper divisors (365662317788).

431231234212 is a wasteful number, since it uses less digits than its factorization.

431231234212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14836 (or 14834 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 431231234212 its reverse (212432132134), we get a palindrome (643663366346).

The spelling of 431231234212 in words is "four hundred thirty-one billion, two hundred thirty-one million, two hundred thirty-four thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 599 701 1198 1402 2396 2804 11381 13319 13513 22762 26638 27026 45524 53276 54052 256747 419899 513494 839798 1026988 1679596 7978081 8094287 9472613 15956162 16188574 18945226 31912324 32377148 37890452 153791453 179979647 307582906 359959294 615165812 719918588 5674095187 11348190374 22696380748 107807808553 215615617106 431231234212