Search a number
-
+
31320330310110 = 2353133677774527
BaseRepresentation
bin1110001111100010101010…
…01010011001000111011110
311002220012020200002222020210
413013301111022121013132
513101123014024410420
6150340205555553250
76411550661014002
oct707612512310736
9132805220088223
1031320330310110
119a85971a39126
12361a10b2bb826
13146265749228a
147a3caaa40702
15394aa89649e0
hex1c7c552991de

31320330310110 has 32 divisors (see below), whose sum is σ = 77593592512512. Its totient is φ = 8082665886240.

The previous prime is 31320330310103. The next prime is 31320330310169. The reversal of 31320330310110 is 1101303302313.

It is a super-4 number, since 4×313203303101104 (a number of 55 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16838886334 + ... + 16838888193.

It is an arithmetic number, because the mean of its divisors is an integer number (2424799766016).

Almost surely, 231320330310110 is an apocalyptic number.

31320330310110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31320330310110 is an abundant number, since it is smaller than the sum of its proper divisors (46273262202402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31320330310110 is a wasteful number, since it uses less digits than its factorization.

31320330310110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33677774568.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31320330310110 its reverse (1101303302313), we get a palindrome (32421633612423).

The spelling of 31320330310110 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty million, three hundred ten thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 33677774527 67355549054 101033323581 168388872635 202066647162 336777745270 505166617905 1010333235810 1044011010337 2088022020674 3132033031011 5220055051685 6264066062022 10440110103370 15660165155055 31320330310110