Search a number
-
+
31321300223011 = 1713729134199827
BaseRepresentation
bin1110001111100100011101…
…11110010100010000100011
311002220021202021011122121211
413013302032332110100203
513101132010324114021
6150340450124330551
76411614006104261
oct707621676242043
9132807667148554
1031321300223011
119a8631a482037
12361a3400a3a57
1314627803c6936
147a3d5d799431
15394b13ba13e1
hex1c7c8ef94423

31321300223011 has 8 divisors (see below), whose sum is σ = 33166145491920. Its totient is φ = 29476723381248.

The previous prime is 31321300223009. The next prime is 31321300223041. The reversal of 31321300223011 is 11032200312313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31321300223011 - 21 = 31321300223009 is a prime.

It is a super-2 number, since 2×313213002230112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31321300223041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66866521 + ... + 67333306.

It is an arithmetic number, because the mean of its divisors is an integer number (4145768186490).

Almost surely, 231321300223011 is an apocalyptic number.

31321300223011 is a deficient number, since it is larger than the sum of its proper divisors (1844845268909).

31321300223011 is a wasteful number, since it uses less digits than its factorization.

31321300223011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134213573.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31321300223011 its reverse (11032200312313), we get a palindrome (42353500535324).

The spelling of 31321300223011 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred million, two hundred twenty-three thousand, eleven".

Divisors: 1 17 13729 233393 134199827 2281397059 1842429424883 31321300223011