Search a number
-
+
531033344123 is a prime number
BaseRepresentation
bin1111011101001000000…
…11011100100001111011
31212202200121220221021012
413232210003130201323
532200024014002443
61043541531304135
753236333643312
oct7564403344173
91782617827235
10531033344123
1119523452a237
1286b01bab04b
133b0cb6261a9
141b9b89b9279
15dc30328118
hex7ba40dc87b

531033344123 has 2 divisors, whose sum is σ = 531033344124. Its totient is φ = 531033344122.

The previous prime is 531033344113. The next prime is 531033344131. The reversal of 531033344123 is 321443330135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531033344123 - 26 = 531033344059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531033344123.

It is not a weakly prime, because it can be changed into another prime (531033344113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265516672061 + 265516672062.

It is an arithmetic number, because the mean of its divisors is an integer number (265516672062).

Almost surely, 2531033344123 is an apocalyptic number.

531033344123 is a deficient number, since it is larger than the sum of its proper divisors (1).

531033344123 is an equidigital number, since it uses as much as digits as its factorization.

531033344123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 531033344123 its reverse (321443330135), we get a palindrome (852476674258).

The spelling of 531033344123 in words is "five hundred thirty-one billion, thirty-three million, three hundred forty-four thousand, one hundred twenty-three".