Search a number
-
+
31400340110103 = 321149605592591
BaseRepresentation
bin1110010001110111101100…
…00111100011101100010111
311010011211202200122221022110
413020323312013203230113
513103430344032010403
6150441041143402103
76420412462053006
oct710736607435427
9133154680587273
1031400340110103
11a00689a429078
12363171a453333
13146a0686488b3
147a7adac0ac3d
15396bdcc1c103
hex1c8ef61e3b17

31400340110103 has 8 divisors (see below), whose sum is σ = 42065542518016. Its totient is φ = 20834348887800.

The previous prime is 31400340110093. The next prime is 31400340110149. The reversal of 31400340110103 is 30101104300413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31400340110103 - 29 = 31400340109591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31400340110103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400340110173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24802795663 + ... + 24802796928.

It is an arithmetic number, because the mean of its divisors is an integer number (5258192814752).

Almost surely, 231400340110103 is an apocalyptic number.

31400340110103 is a deficient number, since it is larger than the sum of its proper divisors (10665202407913).

31400340110103 is a wasteful number, since it uses less digits than its factorization.

31400340110103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49605592805.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31400340110103 its reverse (30101104300413), we get a palindrome (61501444410516).

The spelling of 31400340110103 in words is "thirty-one trillion, four hundred billion, three hundred forty million, one hundred ten thousand, one hundred three".

Divisors: 1 3 211 633 49605592591 148816777773 10466780036701 31400340110103