Search a number
-
+
31411034225 = 521256441369
BaseRepresentation
bin11101010000001111…
…100101100001110001
310000002002101212102222
4131100033211201301
51003312211043400
622232515250425
72161252246154
oct352017454161
9100062355388
1031411034225
1112359789a1a
1261075a9a15
132c678080ac
14173d9cdc9b
15c3c94d185
hex7503e5871

31411034225 has 6 divisors (see below), whose sum is σ = 38949682470. Its totient is φ = 25128827360.

The previous prime is 31411034159. The next prime is 31411034233. The reversal of 31411034225 is 52243011413.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1382649856 + 30028384369 = 37184^2 + 173287^2 .

It is a de Polignac number, because none of the positive numbers 2k-31411034225 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31411034194 and 31411034203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628220660 + ... + 628220709.

It is an arithmetic number, because the mean of its divisors is an integer number (6491613745).

Almost surely, 231411034225 is an apocalyptic number.

It is an amenable number.

31411034225 is a deficient number, since it is larger than the sum of its proper divisors (7538648245).

31411034225 is a wasteful number, since it uses less digits than its factorization.

31411034225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256441379 (or 1256441374 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 31411034225 its reverse (52243011413), we get a palindrome (83654045638).

The spelling of 31411034225 in words is "thirty-one billion, four hundred eleven million, thirty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 1256441369 6282206845 31411034225