Search a number
-
+
31322534311 is a prime number
BaseRepresentation
bin11101001010111101…
…111111000110100111
32222211220212121101101
4131022331333012213
51003122032044221
622220034340531
72156126102005
oct351275770647
988756777341
1031322534311
11123138326a2
1260a1a2a747
132c5238cb93
141731d53a75
15c34cbad91
hex74af7f1a7

31322534311 has 2 divisors, whose sum is σ = 31322534312. Its totient is φ = 31322534310.

The previous prime is 31322534279. The next prime is 31322534351. The reversal of 31322534311 is 11343522313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31322534311 - 25 = 31322534279 is a prime.

It is a super-3 number, since 3×313225343113 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 31322534311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31322534351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15661267155 + 15661267156.

It is an arithmetic number, because the mean of its divisors is an integer number (15661267156).

Almost surely, 231322534311 is an apocalyptic number.

31322534311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31322534311 is an equidigital number, since it uses as much as digits as its factorization.

31322534311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The spelling of 31322534311 in words is "thirty-one billion, three hundred twenty-two million, five hundred thirty-four thousand, three hundred eleven".