Search a number
-
+
31302232023229 is a prime number
BaseRepresentation
bin1110001111000000111100…
…11010111010000010111101
311002211110112100222201222021
413013200132122322002331
513100323432344220404
6150324014042520141
76410340330063136
oct707403632720275
9132743470881867
1031302232023229
119a79224a25342
1236166ba206051
131460a31a9ab9b
147a307114ac8d
15394399b44454
hex1c781e6ba0bd

31302232023229 has 2 divisors, whose sum is σ = 31302232023230. Its totient is φ = 31302232023228.

The previous prime is 31302232023197. The next prime is 31302232023269. The reversal of 31302232023229 is 92232023220313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30561990324100 + 740241699129 = 5528290^2 + 860373^2 .

It is a cyclic number.

It is not a de Polignac number, because 31302232023229 - 25 = 31302232023197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31302232023194 and 31302232023203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31302232023269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651116011614 + 15651116011615.

It is an arithmetic number, because the mean of its divisors is an integer number (15651116011615).

Almost surely, 231302232023229 is an apocalyptic number.

It is an amenable number.

31302232023229 is a deficient number, since it is larger than the sum of its proper divisors (1).

31302232023229 is an equidigital number, since it uses as much as digits as its factorization.

31302232023229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 31302232023229 in words is "thirty-one trillion, three hundred two billion, two hundred thirty-two million, twenty-three thousand, two hundred twenty-nine".