Search a number
-
+
31212103113022 = 2133732445013631
BaseRepresentation
bin1110001100011001000100…
…10100011001100100111110
311002111211220010112201021211
413012030202110121210332
513042334341344104042
6150214350415315034
76401000004015106
oct706144224314476
9132454803481254
1031212103113022
119a43a84567097
12360114621ba7a
13145539a3521a0
1479c961094206
15391d72302017
hex1c632251993e

31212103113022 has 16 divisors (see below), whose sum is σ = 51782241756672. Its totient is φ = 14016245888160.

The previous prime is 31212103113013. The next prime is 31212103113031. The reversal of 31212103113022 is 22031130121213.

It is an interprime number because it is at equal distance from previous prime (31212103113013) and next prime (31212103113031).

It is a junction number, because it is equal to n+sod(n) for n = 31212103112984 and 31212103113002.

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, 16222505854 + ... + 16222507777.

It is an arithmetic number, because the mean of its divisors is an integer number (3236390109792).

Almost surely, 231212103113022 is an apocalyptic number.

31212103113022 is a deficient number, since it is larger than the sum of its proper divisors (20570138643650).

31212103113022 is a wasteful number, since it uses less digits than its factorization.

31212103113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32445013683.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31212103113022 its reverse (22031130121213), we get a palindrome (53243233234235).

The spelling of 31212103113022 in words is "thirty-one trillion, two hundred twelve billion, one hundred three million, one hundred thirteen thousand, twenty-two".

Divisors: 1 2 13 26 37 74 481 962 32445013631 64890027262 421785177203 843570354406 1200465504347 2400931008694 15606051556511 31212103113022