Search a number
-
+
31523423303107 is a prime number
BaseRepresentation
bin1110010101011100111100…
…11100101011010111000011
311010121121110120101222111101
413022232132130223113003
513112434432331144412
6151013354415355231
76432330546663211
oct712563634532703
9133547416358441
1031523423303107
11a05401070578a
12365154a822b17
131478852525008
147ada55813cb1
15399ee36eb457
hex1cab9e72b5c3

31523423303107 has 2 divisors, whose sum is σ = 31523423303108. Its totient is φ = 31523423303106.

The previous prime is 31523423303101. The next prime is 31523423303131. The reversal of 31523423303107 is 70130332432513.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31523423303107 is a prime.

It is a super-3 number, since 3×315234233031073 (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (31523423303101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15761711651553 + 15761711651554.

It is an arithmetic number, because the mean of its divisors is an integer number (15761711651554).

Almost surely, 231523423303107 is an apocalyptic number.

31523423303107 is a deficient number, since it is larger than the sum of its proper divisors (1).

31523423303107 is an equidigital number, since it uses as much as digits as its factorization.

31523423303107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 37.

The spelling of 31523423303107 in words is "thirty-one trillion, five hundred twenty-three billion, four hundred twenty-three million, three hundred three thousand, one hundred seven".