Search a number
-
+
31230001121204 = 2216411475747991
BaseRepresentation
bin1110001100111010011010…
…00111111000011110110100
311002120120002110210201211202
413012131031013320132310
513043133020241334304
6150230510415552032
76402202353411014
oct706351507703664
9132516073721752
1031230001121204
119a50629517596
12360470022b618
131456c903c2482
1479d77c131c44
1539256d76081e
hex1c674d1f87b4

31230001121204 has 12 divisors (see below), whose sum is σ = 54655832312928. Its totient is φ = 15614049031800.

The previous prime is 31230001121183. The next prime is 31230001121227. The reversal of 31230001121204 is 40212110003213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237808352 + ... + 237939639.

It is an arithmetic number, because the mean of its divisors is an integer number (4554652692744).

Almost surely, 231230001121204 is an apocalyptic number.

It is an amenable number.

31230001121204 is a deficient number, since it is larger than the sum of its proper divisors (23425831191724).

31230001121204 is a wasteful number, since it uses less digits than its factorization.

31230001121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475764406 (or 475764404 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31230001121204 its reverse (40212110003213), we get a palindrome (71442111124417).

The spelling of 31230001121204 in words is "thirty-one trillion, two hundred thirty billion, one million, one hundred twenty-one thousand, two hundred four".

Divisors: 1 2 4 16411 32822 65644 475747991 951495982 1902991964 7807500280301 15615000560602 31230001121204