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31435050020305 = 5139311920315803
BaseRepresentation
bin1110010010111000010101…
…11111010110110111010001
311010022011100200111001212011
413021130022333112313101
513110012440301122210
6150505021305302521
76423051562323331
oct711341277266721
9133264320431764
1031435050020305
11a01a591254378
1236383a6794a41
13147040a7314b9
147a96709a30c1
15397a70099d8a
hex1c970afd6dd1

31435050020305 has 32 divisors (see below), whose sum is σ = 38122160993280. Its totient is φ = 24882559884480.

The previous prime is 31435050020299. The next prime is 31435050020371. The reversal of 31435050020305 is 50302005053413.

It is not a de Polignac number, because 31435050020305 - 225 = 31435016465873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1989174534 + ... + 1989190336.

It is an arithmetic number, because the mean of its divisors is an integer number (1191317531040).

Almost surely, 231435050020305 is an apocalyptic number.

It is an amenable number.

31435050020305 is a deficient number, since it is larger than the sum of its proper divisors (6687110972975).

31435050020305 is a wasteful number, since it uses less digits than its factorization.

31435050020305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25461.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 31435050020305 its reverse (50302005053413), we get a palindrome (81737055073718).

The spelling of 31435050020305 in words is "thirty-one trillion, four hundred thirty-five billion, fifty million, twenty thousand, three hundred five".

Divisors: 1 5 139 311 695 1555 9203 15803 43229 46015 79015 216145 1279217 2196617 2862133 4914733 6396085 10983085 14310665 24573665 145435009 397836487 683147887 727175045 1989182435 3415739435 20215466251 45230287799 101077331255 226151438995 6287010004061 31435050020305