Search a number
-
+
31304222334312 = 2331304342597263
BaseRepresentation
bin1110001111000100101010…
…00011010101110101101000
311002211122200002010000111120
413013202111003111311220
513100342021404144222
6150324543342055240
76410440545332304
oct707422503256550
9132748602100446
1031304222334312
119a7a056454534
123616b7487a520
131460c8b232155
147a31bd602d04
1539446474115c
hex1c78950d5d68

31304222334312 has 16 divisors (see below), whose sum is σ = 78260555835840. Its totient is φ = 10434740778096.

The previous prime is 31304222334283. The next prime is 31304222334337. The reversal of 31304222334312 is 21343322240313.

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, 652171298608 + ... + 652171298655.

It is an arithmetic number, because the mean of its divisors is an integer number (4891284739740).

Almost surely, 231304222334312 is an apocalyptic number.

It is an amenable number.

31304222334312 is an abundant number, since it is smaller than the sum of its proper divisors (46956333501528).

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

31304222334312 is a wasteful number, since it uses less digits than its factorization.

31304222334312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304342597272 (or 1304342597268 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 31304222334312 its reverse (21343322240313), we get a palindrome (52647544574625).

The spelling of 31304222334312 in words is "thirty-one trillion, three hundred four billion, two hundred twenty-two million, three hundred thirty-four thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 1304342597263 2608685194526 3913027791789 5217370389052 7826055583578 10434740778104 15652111167156 31304222334312