Search a number
-
+
131344000200221 = 5916729634498939
BaseRepresentation
bin11101110111010011101000…
…011110011010111000011101
3122020001100211012111111121012
4131313103220132122320131
5114203420003022401341
61143202333430345005
736444201524003234
oct3567235036327035
9566040735444535
10131344000200221
113893974aa89056
121289341babb165
1358398bc3c3753
1424611252bbb1b
15102b85b26a0eb
hex7774e879ae1d

131344000200221 has 16 divisors (see below), whose sum is σ = 134415370252800. Its totient is φ = 128301325739568.

The previous prime is 131344000200169. The next prime is 131344000200233. The reversal of 131344000200221 is 122002000443131.

It is a cyclic number.

It is not a de Polignac number, because 131344000200221 - 242 = 126945953689117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131344000280221) 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, 26944970 + ... + 31443908.

It is an arithmetic number, because the mean of its divisors is an integer number (8400960640800).

Almost surely, 2131344000200221 is an apocalyptic number.

It is an amenable number.

131344000200221 is a deficient number, since it is larger than the sum of its proper divisors (3071370052579).

131344000200221 is a wasteful number, since it uses less digits than its factorization.

131344000200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502128.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 131344000200221 its reverse (122002000443131), we get a palindrome (253346000643352).

The spelling of 131344000200221 in words is "one hundred thirty-one trillion, three hundred forty-four billion, two hundred thousand, two hundred twenty-one".

Divisors: 1 59 167 2963 9853 174817 494821 4498939 29194439 265437401 751322813 13330356257 44328045967 786491019163 2226169494919 131344000200221