Search a number
-
+
142431301442431 is a prime number
BaseRepresentation
bin100000011000101001011111…
…001000001001101101111111
3200200022022002021211210022201
4200120221133020021231333
5122132043301132124211
61222532011522452331
742000215266412611
oct4030513710115577
9620268067753281
10142431301442431
1141423859540411
1213b841828040a7
1361622a2499871
1427259d7162db1
15116ee71db40c1
hex818a5f209b7f

142431301442431 has 2 divisors, whose sum is σ = 142431301442432. Its totient is φ = 142431301442430.

The previous prime is 142431301442393. The next prime is 142431301442447. The reversal of 142431301442431 is 134244103134241.

142431301442431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142431301442431 - 235 = 142396941704063 is a prime.

It is a super-2 number, since 2×1424313014424312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142431301440431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71215650721215 + 71215650721216.

It is an arithmetic number, because the mean of its divisors is an integer number (71215650721216).

Almost surely, 2142431301442431 is an apocalyptic number.

142431301442431 is a deficient number, since it is larger than the sum of its proper divisors (1).

142431301442431 is an equidigital number, since it uses as much as digits as its factorization.

142431301442431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 142431301442431 its reverse (134244103134241), we get a palindrome (276675404576672).

The spelling of 142431301442431 in words is "one hundred forty-two trillion, four hundred thirty-one billion, three hundred one million, four hundred forty-two thousand, four hundred thirty-one".