Search a number
-
+
31332110310101 = 157199567581593
BaseRepresentation
bin1110001111111000100110…
…10011100001101011010101
311002221022122122020222022202
413013330103103201223111
513101321130214410401
6150345434530134245
76412445621244206
oct707742323415325
9132838578228282
1031332110310101
119a8a967497507
123620458421385
1314637b3b89383
147a46a73515ad
15395047c2a06b
hex1c7f134e1ad5

31332110310101 has 4 divisors (see below), whose sum is σ = 31531677891852. Its totient is φ = 31132542728352.

The previous prime is 31332110310037. The next prime is 31332110310161. The reversal of 31332110310101 is 10101301123313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6724815900625 + 24607294409476 = 2593225^2 + 4960574^2 .

It is a cyclic number.

It is not a de Polignac number, because 31332110310101 - 26 = 31332110310037 is a prime.

It is a super-2 number, since 2×313321103101012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31332110310161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99783790640 + ... + 99783790953.

It is an arithmetic number, because the mean of its divisors is an integer number (7882919472963).

Almost surely, 231332110310101 is an apocalyptic number.

It is an amenable number.

31332110310101 is a deficient number, since it is larger than the sum of its proper divisors (199567581751).

31332110310101 is a wasteful number, since it uses less digits than its factorization.

31332110310101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199567581750.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 31332110310101 its reverse (10101301123313), we get a palindrome (41433411433414).

The spelling of 31332110310101 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred ten million, three hundred ten thousand, one hundred one".

Divisors: 1 157 199567581593 31332110310101