Search a number
-
+
131110103133221 = 3532444711519267
BaseRepresentation
bin11101110011111001110011…
…000111111010110000100101
3122012020000002111220101210212
4131303321303013322300211
5114141101442400230341
61142503052212425205
736421251402513062
oct3563716307726045
9565200074811725
10131110103133221
11388595342047a3
1212856024318205
13582082551a5a4
142453a97393c69
15102571beca5eb
hex773e731fac25

131110103133221 has 8 divisors (see below), whose sum is σ = 131482144219584. Its totient is φ = 130738065575040.

The previous prime is 131110103133211. The next prime is 131110103133239. The reversal of 131110103133221 is 122331301011131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131110103133221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131110103133211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85538630 + ... + 87057896.

It is an arithmetic number, because the mean of its divisors is an integer number (16435268027448).

Almost surely, 2131110103133221 is an apocalyptic number.

It is an amenable number.

131110103133221 is a deficient number, since it is larger than the sum of its proper divisors (372041086363).

131110103133221 is a wasteful number, since it uses less digits than its factorization.

131110103133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764091.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 131110103133221 its reverse (122331301011131), we get a palindrome (253441404144352).

The spelling of 131110103133221 in words is "one hundred thirty-one trillion, one hundred ten billion, one hundred three million, one hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 353 244471 1519267 86298263 536301251 371416722757 131110103133221