Search a number
-
+
31214234220111 = 331694368233651
BaseRepresentation
bin1110001100011101000010…
…10101111011011001001111
311002112001101122121011122000
413012032201111323121033
513042403222430020421
6150215342104323343
76401103552101235
oct706164125733117
9132461348534560
1031214234220111
119a44978511418
12360163ba73553
131455649a11bb7
1479cac411a955
15391e49461226
hex1c63a157b64f

31214234220111 has 16 divisors (see below), whose sum is σ = 46246039979520. Its totient is φ = 20808260969400.

The previous prime is 31214234220101. The next prime is 31214234220133. The reversal of 31214234220111 is 11102243241213.

31214234220111 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 423 + 4 + 220 + 1 + 11 = 666.

It is not a de Polignac number, because 31214234220111 - 210 = 31214234219087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214234220101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33659365 + ... + 34574286.

It is an arithmetic number, because the mean of its divisors is an integer number (2890377498720).

Almost surely, 231214234220111 is an apocalyptic number.

31214234220111 is a deficient number, since it is larger than the sum of its proper divisors (15031805759409).

31214234220111 is a wasteful number, since it uses less digits than its factorization.

31214234220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68250603 (or 68250597 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 31214234220111 its reverse (11102243241213), we get a palindrome (42316477461324).

The spelling of 31214234220111 in words is "thirty-one trillion, two hundred fourteen billion, two hundred thirty-four million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 3 9 27 16943 50829 152487 457461 68233651 204700953 614102859 1842308577 1156082748893 3468248246679 10404744740037 31214234220111