Search a number
-
+
31232202023330 = 2571140561301329
BaseRepresentation
bin1110001100111110100000…
…10011101010000110100010
311002120202202212012010222022
413012133100103222012202
513043202022204221310
6150231513040541442
76402311036645210
oct706372023520642
9132522685163868
1031232202023330
119a51558902970
123605015321882
13145725137b619
1479d90a565cb0
1539264baa9a55
hex1c67d04ea1a2

31232202023330 has 32 divisors (see below), whose sum is σ = 70089928698240. Its totient is φ = 9734712318720.

The previous prime is 31232202023317. The next prime is 31232202023377. The reversal of 31232202023330 is 3332020223213.

It is a self number, because there is not a number n which added to its sum of digits gives 31232202023330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20280649895 + ... + 20280651434.

It is an arithmetic number, because the mean of its divisors is an integer number (2190310271820).

Almost surely, 231232202023330 is an apocalyptic number.

31232202023330 is an abundant number, since it is smaller than the sum of its proper divisors (38857726674910).

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

31232202023330 is a wasteful number, since it uses less digits than its factorization.

31232202023330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40561301354.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 31232202023330 its reverse (3332020223213), we get a palindrome (34564222246543).

The spelling of 31232202023330 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred two million, twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 40561301329 81122602658 202806506645 283929109303 405613013290 446174314619 567858218606 892348629238 1419645546515 2230871573095 2839291093030 3123220202333 4461743146190 6246440404666 15616101011665 31232202023330