Search a number
-
+
31132031002340 = 22597139115449199
BaseRepresentation
bin1110001010000011111011…
…01001100010011011100100
311002020012012202202001000212
413011001331221202123210
513040031344414033330
6150113505124154552
76362133515216222
oct705017551423344
9132205182661025
1031132031002340
119a13024988204
1235a971a238a58
13144a9792bcc38
14798b26907b12
1538ec3783c295
hex1c507da626e4

31132031002340 has 48 divisors (see below), whose sum is σ = 66526447008000. Its totient is φ = 12235767800832.

The previous prime is 31132031002339. The next prime is 31132031002343. The reversal of 31132031002340 is 4320013023113.

It is not an unprimeable number, because it can be changed into a prime (31132031002343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57454940 + ... + 57994259.

It is an arithmetic number, because the mean of its divisors is an integer number (1385967646000).

Almost surely, 231132031002340 is an apocalyptic number.

It is an amenable number.

31132031002340 is an abundant number, since it is smaller than the sum of its proper divisors (35394416005660).

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

31132031002340 is a wasteful number, since it uses less digits than its factorization.

31132031002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115449444 (or 115449442 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31132031002340 its reverse (4320013023113), we get a palindrome (35452044025453).

The spelling of 31132031002340 in words is "thirty-one trillion, one hundred thirty-two billion, thirty-one million, two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 97 139 194 278 388 485 556 695 970 1390 1940 2780 13483 26966 53932 67415 134830 269660 115449199 230898398 461796796 577245995 1154491990 2308983980 11198572303 16047438661 22397144606 32094877322 44794289212 55992861515 64189754644 80237193305 111985723030 160474386610 223971446060 320948773220 1556601550117 3113203100234 6226406200468 7783007750585 15566015501170 31132031002340