Search a number
-
+
31145525031414 = 2339471315156027
BaseRepresentation
bin1110001010011101000011…
…11101001011000111110110
311002021111001012010201222110
413011032201331023013312
513040242013402001124
6150124020124111450
76363122100451653
oct705164175130766
9132244035121873
1031145525031414
119a18819a10a52
1235b0265395586
13144c019b36021
14799646b12c2a
15390277328029
hex1c53a1f4b1f6

31145525031414 has 16 divisors (see below), whose sum is σ = 62306831982528. Its totient is φ = 10379211357192.

The previous prime is 31145525031409. The next prime is 31145525031473. The reversal of 31145525031414 is 41413052554113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657554332 + ... + 657601695.

It is an arithmetic number, because the mean of its divisors is an integer number (3894176998908).

Almost surely, 231145525031414 is an apocalyptic number.

31145525031414 is an abundant number, since it is smaller than the sum of its proper divisors (31161306951114).

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

31145525031414 is a wasteful number, since it uses less digits than its factorization.

31145525031414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315159979.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 31145525031414 its reverse (41413052554113), we get a palindrome (72558577585527).

The spelling of 31145525031414 in words is "thirty-one trillion, one hundred forty-five billion, five hundred twenty-five million, thirty-one thousand, four hundred fourteen".

Divisors: 1 2 3 6 3947 7894 11841 23682 1315156027 2630312054 3945468081 7890936162 5190920838569 10381841677138 15572762515707 31145525031414